Subject: + mm-thp-fix-doc-for-transparent-huge-zero-page.patch added to -mm tree
To: liwanp@xxxxxxxxxxxxxxxxxx,kirill.shutemov@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 25 Jun 2013 15:23:50 -0700
The patch titled
Subject: mm/thp: fix doc for transparent huge zero page
has been added to the -mm tree. Its filename is
mm-thp-fix-doc-for-transparent-huge-zero-page.patch
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From: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
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 <liwanp@xxxxxxxxxxxxxxxxxx>
Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/vm/transhuge.txt | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN Documentation/vm/transhuge.txt~mm-thp-fix-doc-for-transparent-huge-zero-page Documentation/vm/transhuge.txt
--- a/Documentation/vm/transhuge.txt~mm-thp-fix-doc-for-transparent-huge-zero-page
+++ a/Documentation/vm/transhuge.txt
@@ -120,8 +120,8 @@ By default kernel tries to use huge zero
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
_
Patches currently in -mm which might be from liwanp@xxxxxxxxxxxxxxxxxx are
mm-memory-hotplug-fix-lowmem-count-overflow-when-offline-pages.patch
mm-memory-hotplug-fix-lowmem-count-overflow-when-offline-pages-fix.patch
mm-pageblock-remove-get-set_pageblock_flags.patch
mm-hugetlb-remove-hugetlb_prefault.patch
mm-hugetlb-use-already-exist-interface-huge_page_shift.patch
mm-writeback-remove-wb_reason_name.patch
mm-writeback-dont-check-force_wait-to-handle-bdi-work_list.patch
mm-writeback-commit-reason-of-wb_reason_forker_thread-mismatch-name.patch
mm-page_alloc-fix-doc-for-numa_zonelist_order.patch
mm-thp-fix-doc-for-transparent-huge-zero-page.patch
mm-pgtable-dont-accumulate-addr-during-pgd-prepopulate-pmd.patch
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