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| author | Ingo Molnar <mingo@kernel.org> | 2015-10-12 09:51:18 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-10-12 09:51:18 +0200 |
| commit | b9f27c0f4f7db9e5a4ba59228442a75d3177470c (patch) | |
| tree | 49ab61b7e06a5a592f3541e84d1b5908a1d8030f /mm/mmap.c | |
| parent | 9fc4468d546b6eb55b0aa5b04b0c36238ebf57e7 (diff) | |
| parent | 25cb62b76430a91cc6195f902e61c2cb84ade622 (diff) | |
| download | kernel_replicant_linux-b9f27c0f4f7db9e5a4ba59228442a75d3177470c.tar.gz kernel_replicant_linux-b9f27c0f4f7db9e5a4ba59228442a75d3177470c.tar.bz2 kernel_replicant_linux-b9f27c0f4f7db9e5a4ba59228442a75d3177470c.zip | |
Merge tag 'v4.3-rc5' into timers/core, to pick up fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/mmap.c')
| -rw-r--r-- | mm/mmap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index c739d6db7193..79bcc9f92e48 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1490,13 +1490,14 @@ SYSCALL_DEFINE1(old_mmap, struct mmap_arg_struct __user *, arg) int vma_wants_writenotify(struct vm_area_struct *vma) { vm_flags_t vm_flags = vma->vm_flags; + const struct vm_operations_struct *vm_ops = vma->vm_ops; /* If it was private or non-writable, the write bit is already clear */ if ((vm_flags & (VM_WRITE|VM_SHARED)) != ((VM_WRITE|VM_SHARED))) return 0; /* The backer wishes to know when pages are first written to? */ - if (vma->vm_ops && vma->vm_ops->page_mkwrite) + if (vm_ops && (vm_ops->page_mkwrite || vm_ops->pfn_mkwrite)) return 1; /* The open routine did something to the protections that pgprot_modify |