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authorWanpeng Li <liwanp@linux.vnet.ibm.com>2013-07-08 16:00:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-09 10:33:23 -0700
commitf49cbdde495f62e1c2d906b16e833cec27de5e59 (patch)
tree87d0b2f19ed2ce5d4add9bdb051c802e46b6ac56 /Documentation/vm
parentf8f191f1addf0b31f188fd88e71e97200871c99c (diff)
downloadlinux-next-f49cbdde495f62e1c2d906b16e833cec27de5e59.tar.gz
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. Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/vm')
-rw-r--r--Documentation/vm/transhuge.txt4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/vm/transhuge.txt b/Documentation/vm/transhuge.txt
index 8785fb87d9c7..4a63953a41f1 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