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authorNick Piggin <npiggin@suse.de>2008-10-19 03:26:51 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 15:52:31 (GMT)
commit5344b7e648980cc2ca613ec03a56a8222ff48820 (patch)
treef9f8773ae8e38fb91aec52ca9ad2bd81f039b565 /mm/vmstat.c
parentba470de43188cdbff795b5da43a1474523c6c2fb (diff)
downloadlinux-5344b7e648980cc2ca613ec03a56a8222ff48820.tar.xz
vmstat: mlocked pages statistics
Add NR_MLOCK zone page state, which provides a (conservative) count of mlocked pages (actually, the number of mlocked pages moved off the LRU). Reworked by lts to fit in with the modified mlock page support in the Reclaim Scalability series. [kosaki.motohiro@jp.fujitsu.com: fix incorrect Mlocked field of /proc/meminfo] [lee.schermerhorn@hp.com: mlocked-pages: add event counting with statistics] Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Signed-off-by: Rik van Riel <riel@redhat.com> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmstat.c')
-rw-r--r--mm/vmstat.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 6db2f63..9e28abc 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -625,6 +625,7 @@ static const char * const vmstat_text[] = {
"nr_active_file",
#ifdef CONFIG_UNEVICTABLE_LRU
"nr_unevictable",
+ "nr_mlock",
#endif
"nr_anon_pages",
"nr_mapped",
@@ -684,6 +685,10 @@ static const char * const vmstat_text[] = {
"unevictable_pgs_culled",
"unevictable_pgs_scanned",
"unevictable_pgs_rescued",
+ "unevictable_pgs_mlocked",
+ "unevictable_pgs_munlocked",
+ "unevictable_pgs_cleared",
+ "unevictable_pgs_stranded",
#endif
#endif
};