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author | Masanari Iida <standby24x7@gmail.com> | 2012-02-08 15:22:21 +0100 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2012-02-09 23:09:53 +0100 |
commit | 3cd0b6252ebfaf65226a30e00a2d7535f66adb0e (patch) | |
tree | 583ff8f168d35e749ad8eb2d59b0e43c76892693 | |
parent | jffs2: Fix typo in compr.c (diff) | |
download | linux-3cd0b6252ebfaf65226a30e00a2d7535f66adb0e.tar.xz linux-3cd0b6252ebfaf65226a30e00a2d7535f66adb0e.zip |
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>
-rw-r--r-- | Documentation/vm/unevictable-lru.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/vm/unevictable-lru.txt b/Documentation/vm/unevictable-lru.txt index 97bae3c576c2..609d1a34876a 100644 --- a/Documentation/vm/unevictable-lru.txt +++ b/Documentation/vm/unevictable-lru.txt @@ -538,7 +538,7 @@ different reverse map mechanisms. 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 @@ mapped file pages with an additional argument specifing unlock versus unmap 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 @@ with it - the usual fallback position. 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. |