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Commit 929f9d28 authored by SeongJae Park's avatar SeongJae Park Committed by Linus Torvalds
Browse files

Documentation/vm/transhuge.txt: fix trivial typos 

[akpm@linux-foundation.org: fixes per Randy]
Link: http://lkml.kernel.org/r/20170405210259.2067-1-sj38.park@gmail.com


Signed-off-by: default avatarSeongJae Park <sj38.park@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c718a975

Documentation/vm/transhuge.txt

+5 −5
Original line number Diff line number Diff line
@@ -292,7 +292,7 @@ thp_collapse_alloc_failed is incremented if khugepaged found a range 
	the allocation.



thp_file_alloc is incremented every time a file huge page is successfully

i	allocated.

	allocated.



thp_file_mapped is incremented every time a file huge page is mapped into

	user address space.
@@ -519,8 +519,8 @@ comes. Splitting will free up unused subpages. 


Splitting the page right away is not an option due to locking context in

the place where we can detect partial unmap. It's also might be

counterproductive since in many cases partial unmap unmap happens during

exit(2) if an THP crosses VMA boundary.

counterproductive since in many cases partial unmap happens during exit(2) if

a THP crosses a VMA boundary.



Function deferred_split_huge_page() is used to queue page for splitting.

The splitting itself will happen when we get memory pressure via shrinker