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 <[email protected]> Cc: Mel Gorman <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Michel Lespinasse <[email protected]> Cc: Ying Han <[email protected]> --- include/linux/vm_event_item.h | 1 - mm/vmstat.c | 1 - 2 files changed, 2 deletions(-) --- 3.6-rc6.orig/include/linux/vm_event_item.h 2012-09-18 20:04:42.000000000 -0700 +++ 3.6-rc6/include/linux/vm_event_item.h 2012-09-21 15:13:26.608016171 -0700 @@ -52,7 +52,6 @@ enum vm_event_item { PGPGIN, PGPGOUT, PS 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, --- 3.6-rc6.orig/mm/vmstat.c 2012-09-18 20:04:42.000000000 -0700 +++ 3.6-rc6/mm/vmstat.c 2012-09-21 15:13:43.724017386 -0700 @@ -781,7 +781,6 @@ 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", -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
