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* VM: add common helper function to create the page tablesLinus Torvalds2005-11-294-45/+19
| | | | | | This logic was duplicated four times, for no good reason. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/tglx/mtd-2.6Linus Torvalds2005-11-2918-109/+180
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| * [MTD] Make functions static, include header files with prototypesAdrian Bunk2005-11-295-10/+11
| | | | | | | | | | | | | | | | | | | | | | This patch contains the following possible cleanups: - every file should #include the headers containing the prototypes for it's global functions - make needlessly global functions static Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * [MTD] chips: make sharps driver usable againRichard Purdie2005-11-291-57/+66
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Update the pre-CFI Sharp driver sharps.c so it compiles. map_read32 / map_write32 no longer exist in the kernel so the driver is totally broken as it stands. The replacement functions use different parameters resulting in the other changes. Change collie to use this driver until someone works out why the cfi driver fails on that machine. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Tested-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * [MTD] Remove bogus PQ2FADS driverThomas Gleixner2005-11-292-7/+0
| | | | | | | | | | | | Remove disfunctional driver, which slipped through the review mechanism Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * [MTD] maps: sparse fixupLuiz Capitulino2005-11-291-2/+2
| | | | | | | | | | | | | | | | | | The patch below fixes the following sparse warning: drivers/mtd/maps/nettel.c:482:27: warning: Using plain integer as NULL pointer Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * [MTD] cfi_cmdset_0001: relax locking rules for multi hardware partition supportNicolas Pitre2005-11-291-6/+4
| | | | | | | | | | Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * [MTD] Make some tables 'const' so they can live in .rodataDavid Woodhouse2005-11-292-4/+4
| | | | | | | | | | | | | | | | | | arjan: drivers/mtd/maps/sc520cdp.c:167: warning: par_table is never written to and should be declared 'const' arjan: drivers/mtd/maps/pci.c:105: warning: mtd_pci_map is never written to and should be declared 'const' arjan: mind fixing those up ? Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * [MTD] maps/ixp4xx: half-word boundary and little-endian fixupsJohn Bowler2005-11-291-12/+66
| | | | | | | | | | | | | | | | | | | | | | ixp4xx updates: - Handle reads that don't start on a half-word boundary. - Make it work when CPU is in little-endian mode. Signed-off-by: John Bowler <jbowler@acm.org> Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: David Vrabel <dvrabel@arcom.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * [MTD] CFI: Use 16-bit access to autoselect/read device id dataTodd Poynor2005-11-292-4/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Recent models of Intel/Sharp and Spansion CFI flash now have significant bits in the upper byte of device ID codes, read via what Spansion calls "autoselect" and Intel calls "read device identifier". Currently these values are truncated to the low 8 bits in the mtd data structures, as all CFI read query info has previously been read one byte at a time. Add a new method for reading 16-bit info, currently just manufacturer and device codes; datasheets hint at future uses for upper bytes in other fields. Signed-off-by: Todd Poynor <tpoynor@mvista.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * [MTD] devices/ms02-nv: phys/virt address fixupsMaciej W. Rozycki2005-11-291-3/+3
| | | | | | | | | | | | | | | | | | Merge from linux-mips: Use physical addresses at the interface level, letting drivers remap them as appropriate. Signed-off-by: Maciej W. Rozycki <macro@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * [JFFS2] Fix the slab cache constructor of 'struct jffs2_inode_info' objects.Thomas Gleixner2005-11-292-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | JFFS2 initialize f->sem mutex as "locked" in the slab constructor which is a bug. Objects are freed with unlocked f->sem mutex. So, when they allocated again, f->sem is unlocked because the slab cache constructor is not called for them. The constructor is called only once when memory pages are allocated for objects (namely, when the slab layer allocates new slabs). So, sometimes 'struct jffs2_inode_info' are allocated with unlocked f->sem, sometimes with locked. This is a bug. Instead, initialize f->sem as unlocked in the constructor. I.e., in the "constructed" state f->sem must be unlocked. From: Keijiro Yano <keijiro_yano@yahoo.co.jp> Acked-by: Artem B. Bityutskiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * [MTD] RFD_FTL: Use lanana assigned major device numberSean Young2005-11-291-4/+2
| | | | | | | | | | | | | | A major block device number is now assigned by lanana. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | [PATCH] fix megaraid.c lockingChristoph Hellwig2005-11-291-15/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes locking in megaraid.c, namely: (1) make sure megaraid_queue release the adapter lock by changing the code to have a single return (2) remove the errornous scsi_assign_lock call Testing by Burton Windle. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Burton Windle <bwindle@fint.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Support strange discontiguous PFN remappingsLinus Torvalds2005-11-292-0/+93
| | | | | | | | | | | | | | | | | | | | | | | | | | These get created by some drivers that don't generally even want a pfn remapping at all, but would really mostly prefer to just map pages they've allocated individually instead. For now, create a helper function that turns such an incomplete PFN remapping call into a loop that does that explicit mapping. In the long run we almost certainly want to export a totally different interface for that, though. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] Fix missing pfn variables caused by vm changesBen Collins2005-11-292-3/+3
| | | | | | | | | | | | | | | | | | I image this showed up because of "unused var..." when the changes occured, because flush_cache_page() is a noop in most places. This showed up for me on parisc however, where flush_cache_page() is a real function. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2005-11-291-0/+2
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| * | [IPV6]: Implement appropriate dummy rule 4 in ipv6_dev_get_saddr().YOSHIFUJI Hideaki2005-11-281-0/+2
| |/ | | | | | | | | | | | | | | Ensure to update hiscore.rule in dummy rule 4 in ipv6_dev_get_saddr(). Pointed out by Yan Zheng <yanzheng@21cn.com>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-mergeLinus Torvalds2005-11-292-5/+3
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| * | powerpc: Export __flush_icache_range for 32-bitPaul Mackerras2005-11-291-4/+2
| | | | | | | | | | | | | | | | | | | | | Both 32-bit and 64-bit use the same inline flush_icache_range definition now, so both need to export __flush_icache_range, not just 64-bit. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | [PATCH] ppc: Export symbol needed by MOLOtavio Salvador2005-11-291-1/+1
| | | | | | | | | | | | | | | | | | | | | Export symbol needed to allow MOL to run. This was changed to be inline in past and forgot to be change here. Signed-off-by: Paul Mackerras <paulus@samba.org>
* | | [PATCH] Fix vma argument in get_usr_pages() for gate areasNick Piggin2005-11-291-1/+1
| |/ |/| | | | | | | | | | | | | The system call gate area handling called vm_normal_page() with the wrong vma (which was always NULL, and caused an oops). Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Linux v2.6.15-rc3v2.6.15-rc3Linus Torvalds2005-11-281-1/+1
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* Merge master.kernel.org:/home/rmk/linux-2.6-serialLinus Torvalds2005-11-285-6/+9
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| * [SERIAL] mark several serial tables constArjan van de Ven2005-11-284-6/+6
| | | | | | | | | | | | | | | | | | This patch marks a few serial data structures const, moving them to .rodata where they won't false-share cachelines with things that get written to. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3181/1: add PORT_ identifier for Hilscher netx uartSascha Hauer2005-11-281-0/+3
| | | | | | | | | | | | | | | | | | | | Patch from Sascha Hauer This patch adds PORT_NETX for supporting the Hilscher netx embedded UARTs. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge master.kernel.org:/home/rmk/linux-2.6-mmcLinus Torvalds2005-11-282-3/+3
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| * | [MMC] Fix protocol errorsPierre Ossman2005-11-282-3/+3
| |/ | | | | | | | | | | | | | | A review against MMC/SD specifications found some errors in the current implementation. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2005-11-2810-1085/+378
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| * | [ARM] 3180/1: Update Zaurus defconfigsRichard Purdie2005-11-283-1053/+126
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Richard Purdie This updates the Zaurus defconfigs. Poodle gets merged into corgi_defconfig and support for tosa and akita is enabled. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3179/1: Update/correct Zaurus Kconfig entriesRichard Purdie2005-11-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Richard Purdie Add iWMMX Extentions for the pxa27x based Zaurus models and fix a couple of minor mistakes in the PXA Kconfig file. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] 3178/1: S3C2400 - adds GPIO registers definitions to regs-gpio.hLucas Correia Villa Real2005-11-281-12/+227
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lucas Correia Villa Real This patch adds definitions to GPIO registers for the S3C2400 into include/asm-arm/arch-s3c2410/regs-gpio.h. Signed-off-by: Lucas Correia Villa Real <lucasvr@gobolinux.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] Update mach-typesRussell King2005-11-251-4/+10
| | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] Realview core.c does not need mach-types.hRussell King2005-11-251-1/+0
| | | | | | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] Do not call flush_tlb_kernel_range() with IRQs disabled.Russell King2005-11-251-3/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We must not call TLB maintainence operations with interrupts disabled, otherwise we risk a lockup in the SMP IPI code. This means that consistent_free() can not be called from a context with IRQs disabled. In addition, we must not hold the lock in consistent_free when we call flush_tlb_kernel_range(). However, we must continue to prevent consistent_alloc() from re-using the memory region until we've finished tearing down the mapping and dealing with the TLB. Therefore, leave the vm_region entry in the list, but mark it inactive before dropping the lock and starting the tear-down process. After the mapping has been torn down, re-acquire the lock and remove the entry from the list. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] Remove mach-types.h from head.SRussell King2005-11-251-8/+3
| | | | | | | | | | | | | | | | | | | | | | | | We don't really need to check whether the machine type is Netwinder or CATS before setting up the PCI IO mapping for debugging. This allows us to eliminate asm/mach-types.h from head.S Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | [ARM] Remove asm/hardware.h include from SA1100 io.hRussell King2005-11-251-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unfortunately, we have a symbol clash between the SA-1100 header and some drivers. Since everywhere which needs SA1100 specifics includes asm/hardware.h, we don't need to include it in the SA1100 io.h header. In file included from drivers/net/wireless/wavelan_cs.p.h:459, from drivers/net/wireless/wavelan_cs.c:60: drivers/net/wireless/wavelan_cs.h:97:1: warning: "LCSR" redefined In file included from include/asm/arch/hardware.h:56, from include/asm/hardware.h:16, from include/asm/arch/io.h:13, from include/asm/io.h:71, from drivers/net/wireless/wavelan_cs.p.h:433, from drivers/net/wireless/wavelan_cs.c:60: include/asm/arch/SA-1100.h:1907:1: warning: this is the location of the previous definition Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | | [PATCH] fuse: check for invalid node ID in fuse_create_open()Miklos Szeredi2005-11-281-3/+8
| | | | | | | | | | | | | | | | | | | | | | | | Check for invalid node ID values in the new atomic create+open method. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] fuse: check directory aliasing in mkdirMiklos Szeredi2005-11-281-9/+17
| | | | | | | | | | | | | | | | | | | | | | | | Check the created directory inode for aliases in the mkdir() method. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] shrinker->nr = LONG_MAX means deadlock for icacheAndrea Arcangeli2005-11-281-3/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With Andrew Morton <akpm@osdl.org> The slab scanning code tries to balance the scanning rate of slabs versus the scanning rate of LRU pages. To do this, it retains state concerning how many slabs have been scanned - if a particular slab shrinker didn't scan enough objects, we remember that for next time, and scan more objects on the next pass. The problem with this is that with (say) a huge number of GFP_NOIO direct-reclaim attempts, the number of objects which are to be scanned when we finally get a GFP_KERNEL request can be huge. Because some shrinker handlers just bail out if !__GFP_FS. So the patch clamps the number of objects-to-be-scanned to 2* the total number of objects in the slab cache. Signed-off-by: Andrea Arcangeli <andrea@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] Fix oops in vfs_quotaon_mount()Jan Kara2005-11-281-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | When quota file specified in mount options did not exist, we tried to dereference NULL pointer later. Fix it. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] md: fix --re-add for raid1 and raid6NeilBrown2005-11-282-6/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If you have an array with a write-intent-bitmap, and you remove a device, then re-add it, a full recovery isn't needed. We detect a re-add by looking at saved_raid_disk. For raid1, it doesn't matter which disk it was, only whether or not it was an active device. The old code being removed set a value of 'mirror' which was then ignored, so it can go. The changed code performs the correct check. For raid6, if there are two missing devices, make sure we chose the right slot on --re-add rather than always the first slot. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] md: set default_bitmap_offset properly in set_array_infoNeilBrown2005-11-281-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If an array is created using set_array_info, default_bitmap_offset isn't set properly meaning that an internal bitmap cannot be hot-added until the array is stopped and re-assembled. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] md: fix problem with raid6 intent bitmapNeilBrown2005-11-281-2/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When doing a recovery, we need to know whether the array will still be degraded after the recovery has finished, so we can know whether bits can be clearred yet or not. This patch performs the required check. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] md: fix locking problem in r5/r6NeilBrown2005-11-282-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | bitmap_unplug actually writes data (bits) to storage, so we shouldn't be holding a spinlock... Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] md: improve read speed to raid10 arrays using 'far copies'NeilBrown2005-11-281-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | raid10 has two different layouts. One uses near-copies (so multiple copies of a block are at the same or similar offsets of different devices) and the other uses far-copies (so multiple copies of a block are stored a greatly different offsets on different devices). The point of far-copies is that it allows the first section (normally first half) to be layed out in normal raid0 style, and thus provide raid0 sequential read performance. Unfortunately, the read balancing in raid10 makes some poor decisions for far-copies arrays and you don't get the desired performance. So turn off that bad bit of read_balance for far-copies arrays. With this patch, read speed of an 'f2' array is comparable with a raid0 with the same number of devices, though write speed is ofcourse still very slow. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] fix broken hybrid v4l-dvb frontend selectionMichael Krufky2005-11-285-47/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Repair broken build configuration for hybrid v4l/dvb card frontend selection. Signed-off-by: Michael Krufky <mkrufky@m1k.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] temporarily disable swap token on memory pressureRik van Riel2005-11-285-23/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some users (hi Zwane) have seen a problem when running a workload that eats nearly all of physical memory - th system does an OOM kill, even when there is still a lot of swap free. The problem appears to be a very big task that is holding the swap token, and the VM has a very hard time finding any other page in the system that is swappable. Instead of ignoring the swap token when sc->priority reaches 0, we could simply take the swap token away from the memory hog and make sure we don't give it back to the memory hog for a few seconds. This patch resolves the problem Zwane ran into. Signed-off-by: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] v9fs: fix memory leak in v9fs dentry codeLatchesar Ionkov2005-11-281-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Assign the appropriate dentry operations to the dentry. Fixes memory leak. Signed-off-by: Latchesar Ionkov <lucho@ionkov.net> Cc: Eric Van Hensbergen <ericvh@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | | [PATCH] cpuset fork locking fixPaul Jackson2005-11-281-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the cpuset_fork() call below the write_unlock_irq call in kernel/fork.c copy_process(). Since the cpuset-dual-semaphore-locking-overhaul.patch, the cpuset_fork() routine acquires task_lock(), so cannot be called while holding the tasklist_lock for write. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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