time: Avoid making adjustments if we haven't accumulated anything

[~andy/linux] / mm / mremap.c

diff --git a/mm/mremap.c b/mm/mremap.c
index 21fed202ddad865bb3ee70d07d8ebce17fd37493..cc06d0e48d050dc0a2ec47cf62fd8d3b22b4a2be 100644 (file)
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -260,7 +260,6 @@ static unsigned long move_vma(struct vm_area_struct *vma,
         * If this were a serious issue, we'd add a flag to do_munmap().
         */
        hiwater_vm = mm->hiwater_vm;
-       mm->total_vm += new_len >> PAGE_SHIFT;
        vm_stat_account(mm, vma->vm_flags, vma->vm_file, new_len>>PAGE_SHIFT);
 
        if (do_munmap(mm, old_addr, old_len) < 0) {
@@ -497,7 +496,6 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
                                goto out;
                        }
 
-                       mm->total_vm += pages;
                        vm_stat_account(mm, vma->vm_flags, vma->vm_file, pages);
                        if (vma->vm_flags & VM_LOCKED) {
                                mm->locked_vm += pages;