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Merge branch 'sparc-perf-events-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'sparc-perf-events-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  mm, perf_event: Make vmalloc_user() align base kernel virtual address to SHMLBA
  perf_event: Provide vmalloc() based mmap() backing
This commit is contained in:
Linus Torvalds
2009-10-08 12:05:50 -07:00
parent b9d40b7b1e 2dca6999ee
commit b924f9599d
6 changed files with 245 additions and 89 deletions
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include/linux/perf_event.h
+5
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@@ -442,6 +442,7 @@ enum perf_callchain_context {
#include <linux/hrtimer.h>
#include <linux/fs.h>
#include <linux/pid_namespace.h>
#include <linux/workqueue.h>
#include <asm/atomic.h>
#define PERF_MAX_STACK_DEPTH 255
@@ -513,6 +514,10 @@ struct file;
struct perf_mmap_data {
struct rcu_head rcu_head;
#ifdef CONFIG_PERF_USE_VMALLOC
struct work_struct work;
#endif
int data_order;
int nr_pages; /* nr of data pages */
int writable; /* are we writable */
int nr_locked; /* nr pages mlocked */