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authorThe Android Open Source Project <initial-contribution@android.com>2008-10-21 07:00:00 -0700
committerThe Android Open Source Project <initial-contribution@android.com>2008-10-21 07:00:00 -0700
commita27d2baa0c1a2ec70f47ea9199b1dd6762c8a349 (patch)
treedefd1cc07d16ad2f3b21154114e092d11c94c5bb /libc/kernel/common/linux/percpu.h
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Initial Contributionandroid-1.0
Diffstat (limited to 'libc/kernel/common/linux/percpu.h')
-rw-r--r--libc/kernel/common/linux/percpu.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/libc/kernel/common/linux/percpu.h b/libc/kernel/common/linux/percpu.h
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+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** This header was automatically generated from a Linux kernel header
+ *** of the same name, to make information necessary for userspace to
+ *** call into the kernel available to libc. It contains only constants,
+ *** structures, and macros generated from the original header, and thus,
+ *** contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __LINUX_PERCPU_H
+#define __LINUX_PERCPU_H
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <linux/smp.h>
+#include <linux/string.h>
+#include <asm/percpu.h>
+
+#ifndef PERCPU_ENOUGH_ROOM
+#define PERCPU_ENOUGH_ROOM 32768
+#endif
+
+#define get_cpu_var(var) (*({ preempt_disable(); &__get_cpu_var(var); }))
+#define put_cpu_var(var) preempt_enable()
+
+#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); })
+
+#define alloc_percpu(type) ((type *)(__alloc_percpu(sizeof(type))))
+#endif