From f49cbdde495f62e1c2d906b16e833cec27de5e59 Mon Sep 17 00:00:00 2001 From: Wanpeng Li Date: Mon, 8 Jul 2013 16:00:16 -0700 Subject: 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 Acked-by: Kirill A. Shutemov Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/vm/transhuge.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'Documentation/vm') 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 -- cgit v1.2.3-59-g8ed1b