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-rw-r--r--mm/mmap.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/mmap.c b/mm/mmap.c
index 6b7b1a95944b..2c1c2cb0e2e1 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -28,6 +28,7 @@
#include <linux/mempolicy.h>
#include <linux/rmap.h>
#include <linux/mmu_notifier.h>
+#include <linux/perf_counter.h>
#include <asm/uaccess.h>
#include <asm/cacheflush.h>
@@ -1219,6 +1220,9 @@ munmap_back:
if (correct_wcount)
atomic_inc(&inode->i_writecount);
out:
+ if (vm_flags & VM_EXEC)
+ perf_counter_mmap(addr, len, pgoff, file);
+
mm->total_vm += len >> PAGE_SHIFT;
vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT);
if (vm_flags & VM_LOCKED) {
@@ -1752,6 +1756,12 @@ static void remove_vma_list(struct mm_struct *mm, struct vm_area_struct *vma)
do {
long nrpages = vma_pages(vma);
+ if (vma->vm_flags & VM_EXEC) {
+ perf_counter_munmap(vma->vm_start,
+ nrpages << PAGE_SHIFT,
+ vma->vm_pgoff, vma->vm_file);
+ }
+
mm->total_vm -= nrpages;
vm_stat_account(mm, vma->vm_flags, vma->vm_file, -nrpages);
vma = remove_vma(vma);