Messages in this thread Patch in this message | | | From | Wanpeng Li <> | Subject | [PATCH v2 6/7] mm/thp: fix doc for transparent huge zero page | Date | Sun, 16 Jun 2013 09:14:49 +0800 |
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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@linux.intel.com> Signed-off-by: Wanpeng Li <liwanp@linux.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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