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/proc/pid/smaps: show VM_SOFTDIRTY flag in VmFlags line

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This flag shows that the VMA is "newly created" and thus represents
"dirty" in the task's VM.

You can clear it by "echo 4 > /proc/pid/clear_refs."

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Naoya Horiguchi
2013-11-12 15:07:49 -08:00
committed by Linus Torvalds
parent bfc4f9d520
commit ec8e41aec1
2 changed files with 4 additions and 0 deletions
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Documentation/filesystems/proc.txt
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@@ -460,6 +460,7 @@ manner. The codes are the following:
nl - non-linear mapping
ar - architecture specific flag
dd - do not include area into core dump
sd - soft-dirty flag
mm - mixed map area
hg - huge page advise flag
nh - no-huge page advise flag