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authorSeongJae Park <sj38.park@gmail.com>2017-05-09 00:59:02 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-09 02:15:14 +0200
commit929f9d285a212fde8703b2c0d540d3a79e93b2cd (patch)
treede149770b0fc7744b540d8ebbbf5262d4aa7236b /Documentation/vm/transhuge.txt
parentfs: semove set but not checked AOP_FLAG_UNINTERRUPTIBLE flag (diff)
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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: SeongJae Park <sj38.park@gmail.com> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--Documentation/vm/transhuge.txt10
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/vm/transhuge.txt b/Documentation/vm/transhuge.txt
index cd28d5ee5273..4dde03b44ad1 100644
--- a/Documentation/vm/transhuge.txt
+++ b/Documentation/vm/transhuge.txt
@@ -266,7 +266,7 @@ for each mapping.
The number of file transparent huge pages mapped to userspace is available
by reading ShmemPmdMapped and ShmemHugePages fields in /proc/meminfo.
-To identify what applications are mapping file transparent huge pages, it
+To identify what applications are mapping file transparent huge pages, it
is necessary to read /proc/PID/smaps and count the FileHugeMapped fields
for each mapping.
@@ -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.
@@ -501,7 +501,7 @@ scanner can get reference to a page is get_page_unless_zero().
All tail pages have zero ->_refcount until atomic_add(). This prevents the
scanner from getting a reference to the tail page up to that point. After the
-atomic_add() we don't care about the ->_refcount value. We already known how
+atomic_add() we don't care about the ->_refcount value. We already known how
many references should be uncharged from the head page.
For head page get_page_unless_zero() will succeed and we don't mind. It's
@@ -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