From 8befedfe678ff84d5bc356be4f3cb1fd84959d02 Mon Sep 17 00:00:00 2001
From: Hugh Dickins <hughd@google.com>
Date: Mon, 8 Oct 2012 16:33:42 -0700
Subject: [PATCH] mm: remove unevictable_pgs_mlockfreed
Simply remove UNEVICTABLE_MLOCKFREED and unevictable_pgs_mlockfreed line
from /proc/vmstat: Johannes and Mel point out that it was very unlikely to
have been used by any tool, and of course we can restore it easily enough
if that turns out to be wrong.
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Rik van Riel <riel@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michel Lespinasse <walken@google.com>
Cc: Ying Han <yinghan@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
include/linux/vm_event_item.h | 1 -
mm/vmstat.c | 1 -
2 files changed, 2 deletions(-)
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index ede4ddd466959d..3d311459437011 100644
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -52,7 +52,6 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
UNEVICTABLE_PGMUNLOCKED,
UNEVICTABLE_PGCLEARED, /* on COW, page truncate */
UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
- UNEVICTABLE_MLOCKFREED, /* no longer useful: always zero */
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
THP_FAULT_ALLOC,
THP_FAULT_FALLBACK,
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 2f11309955cce7..c7370579111b87 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -794,7 +794,6 @@ const char * const vmstat_text[] = {
"unevictable_pgs_munlocked",
"unevictable_pgs_cleared",
"unevictable_pgs_stranded",
- "unevictable_pgs_mlockfreed", /* no longer useful: always zero */
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
"thp_fault_alloc",
--
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