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Message-Id: <1380913335-17466-1-git-send-email-n-horiguchi@ah.jp.nec.com>
Date:	Fri,  4 Oct 2013 15:02:14 -0400
From:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
To:	linux-mm@...ck.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Pavel Emelyanov <xemul@...allels.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] smaps: show VM_SOFTDIRTY flag in VmFlags line

This flag shows that soft dirty bit is not enabled yet.
You can enable it by "echo 4 > /proc/pid/clear_refs."

Signed-off-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
---
 fs/proc/task_mmu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git v3.12-rc2-mmots-2013-09-24-17-03.orig/fs/proc/task_mmu.c v3.12-rc2-mmots-2013-09-24-17-03/fs/proc/task_mmu.c
index 7366e9d..c591928 100644
--- v3.12-rc2-mmots-2013-09-24-17-03.orig/fs/proc/task_mmu.c
+++ v3.12-rc2-mmots-2013-09-24-17-03/fs/proc/task_mmu.c
@@ -561,6 +561,9 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma)
 		[ilog2(VM_NONLINEAR)]	= "nl",
 		[ilog2(VM_ARCH_1)]	= "ar",
 		[ilog2(VM_DONTDUMP)]	= "dd",
+#ifdef CONFIG_MEM_SOFT_DIRTY
+		[ilog2(VM_SOFTDIRTY)]	= "sd",
+#endif
 		[ilog2(VM_MIXEDMAP)]	= "mm",
 		[ilog2(VM_HUGEPAGE)]	= "hg",
 		[ilog2(VM_NOHUGEPAGE)]	= "nh",
-- 
1.8.3.1

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