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authorKonstantin Khlebnikov <khlebnikov@openvz.org>2012-03-21 16:33:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-21 17:54:55 -0700
commit69c978232aaa99476f9bd002c2a29a84fa3779b5 (patch)
tree7edb0da034b8824040f4f7327dd31ad260532167 /mm
parent6131728914810a6c02e08750e13e45870101e862 (diff)
downloadop-kernel-dev-69c978232aaa99476f9bd002c2a29a84fa3779b5.zip
op-kernel-dev-69c978232aaa99476f9bd002c2a29a84fa3779b5.tar.gz
mm: make get_mm_counter static-inline
Make get_mm_counter() always static inline, it is simple enough for that. And remove unused set_mm_counter() bloat-o-meter: add/remove: 0/1 grow/shrink: 4/12 up/down: 99/-341 (-242) function old new delta try_to_unmap_one 886 952 +66 sys_remap_file_pages 1214 1230 +16 dup_mm 1684 1700 +16 do_exit 2277 2278 +1 zap_page_range 208 205 -3 unmap_region 304 296 -8 static.oom_kill_process 554 546 -8 try_to_unmap_file 1716 1700 -16 getrusage 925 909 -16 flush_old_exec 1704 1688 -16 static.dump_header 416 390 -26 acct_update_integrals 218 187 -31 do_task_stat 2986 2954 -32 get_mm_counter 34 - -34 xacct_add_tsk 371 334 -37 task_statm 172 118 -54 task_mem 383 323 -60 try_to_unmap_one() grows because update_hiwater_rss() now completely inline. Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/memory.c18
1 files changed, 0 insertions, 18 deletions
diff --git a/mm/memory.c b/mm/memory.c
index e01abb9..a5de734 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -160,24 +160,6 @@ static void check_sync_rss_stat(struct task_struct *task)
__sync_task_rss_stat(task, task->mm);
}
-unsigned long get_mm_counter(struct mm_struct *mm, int member)
-{
- long val = 0;
-
- /*
- * Don't use task->mm here...for avoiding to use task_get_mm()..
- * The caller must guarantee task->mm is not invalid.
- */
- val = atomic_long_read(&mm->rss_stat.count[member]);
- /*
- * counter is updated in asynchronous manner and may go to minus.
- * But it's never be expected number for users.
- */
- if (val < 0)
- return 0;
- return (unsigned long)val;
-}
-
void sync_mm_rss(struct task_struct *task, struct mm_struct *mm)
{
__sync_task_rss_stat(task, mm);
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