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Message-Id: <1371345290-19588-6-git-send-email-liwanp@linux.vnet.ibm.com>
Date: Sun, 16 Jun 2013 09:14:49 +0800
From: Wanpeng Li <liwanp@...ux.vnet.ibm.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Michal Hocko <mhocko@...e.cz>,
David Rientjes <rientjes@...gle.com>,
"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
Fengguang Wu <fengguang.wu@...el.com>,
Rik van Riel <riel@...hat.com>,
Andrew Shewmaker <agshew@...il.com>,
Jiri Kosina <jkosina@...e.cz>,
Namjae Jeon <linkinjeon@...il.com>, Jan Kara <jack@...e.cz>,
Tejun Heo <tj@...nel.org>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org,
Wanpeng Li <liwanp@...ux.vnet.ibm.com>
Subject: [PATCH v2 6/7] mm/thp: fix doc for transparent huge zero page
Changelog:
v1 - > v2:
* add Kirill's Acked
Transparent huge zero page is used during the page fault instead of
in khugepaged.
# ls /sys/kernel/mm/transparent_hugepage/
defrag enabled khugepaged use_zero_page
# ls /sys/kernel/mm/transparent_hugepage/khugepaged/
alloc_sleep_millisecs defrag full_scans max_ptes_none pages_collapsed pages_to_scan scan_sleep_millisecs
This patch corrects the documentation just like the codes done.
Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
Signed-off-by: Wanpeng Li <liwanp@...ux.vnet.ibm.com>
---
Documentation/vm/transhuge.txt | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/vm/transhuge.txt b/Documentation/vm/transhuge.txt
index 8785fb8..4a63953 100644
--- a/Documentation/vm/transhuge.txt
+++ b/Documentation/vm/transhuge.txt
@@ -120,8 +120,8 @@ By default kernel tries to use huge zero page on read page fault.
It's possible to disable huge zero page by writing 0 or enable it
back by writing 1:
-echo 0 >/sys/kernel/mm/transparent_hugepage/khugepaged/use_zero_page
-echo 1 >/sys/kernel/mm/transparent_hugepage/khugepaged/use_zero_page
+echo 0 >/sys/kernel/mm/transparent_hugepage/use_zero_page
+echo 1 >/sys/kernel/mm/transparent_hugepage/use_zero_page
khugepaged will be automatically started when
transparent_hugepage/enabled is set to "always" or "madvise, and it'll
--
1.8.1.2
--
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