mm: Fix typo in unevictable-lru.txt
Correct spelling "semphore" to "semaphore" in
Documentation/vm/unevictable-lru.txt
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/vm/unevictable-lru.txt b/Documentation/vm/unevictable-lru.txt
index 97bae3c..609d1a3 100644
--- a/Documentation/vm/unevictable-lru.txt
+++ b/Documentation/vm/unevictable-lru.txt
@@ -538,7 +538,7 @@
process because mlocked pages are migratable. However, for reclaim, if
the page is mapped into a VM_LOCKED VMA, the scan stops.
- try_to_unmap_anon() attempts to acquire in read mode the mmap semphore of
+ try_to_unmap_anon() attempts to acquire in read mode the mmap semaphore of
the mm_struct to which the VMA belongs. If this is successful, it will
mlock the page via mlock_vma_page() - we wouldn't have gotten to
try_to_unmap_anon() if the page were already mlocked - and will return
@@ -623,7 +623,7 @@
processing. Again, these functions walk the respective reverse maps looking
for VM_LOCKED VMAs. When such a VMA is found for anonymous pages and file
pages mapped in linear VMAs, as in the try_to_unmap() case, the functions
-attempt to acquire the associated mmap semphore, mlock the page via
+attempt to acquire the associated mmap semaphore, mlock the page via
mlock_vma_page() and return SWAP_MLOCK. This effectively undoes the
pre-clearing of the page's PG_mlocked done by munlock_vma_page.
@@ -641,7 +641,7 @@
Note that try_to_munlock()'s reverse map walk must visit every VMA in a page's
reverse map to determine that a page is NOT mapped into any VM_LOCKED VMA.
However, the scan can terminate when it encounters a VM_LOCKED VMA and can
-successfully acquire the VMA's mmap semphore for read and mlock the page.
+successfully acquire the VMA's mmap semaphore for read and mlock the page.
Although try_to_munlock() might be called a great many times when munlocking a
large region or tearing down a large address space that has been mlocked via
mlockall(), overall this is a fairly rare event.