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Message-Id: <1371776233-9364-5-git-send-email-liwanp@linux.vnet.ibm.com> Date: Fri, 21 Jun 2013 08:57:12 +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 v6 5/6] mm/thp: fix doc for transparent huge zero page 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 files 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 -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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