diff options
| author | Peter Zijlstra <[email protected]> | 2010-10-26 14:21:47 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2010-10-26 16:52:08 -0700 |
| commit | 61ecdb801ef2cd28e32442383106d7837d76deac (patch) | |
| tree | 3ec4f04e09cc4a9b76dafaaa0c4dfd07e825e632 /include/linux | |
| parent | 2e30244a7cc1ff09013a1238d415b4076406388e (diff) | |
mm: strictly nested kmap_atomic()
Ensure kmap_atomic() usage is strictly nested
Signed-off-by: Peter Zijlstra <[email protected]>
Reviewed-by: Rik van Riel <[email protected]>
Acked-by: Chris Metcalf <[email protected]>
Cc: David Howells <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Russell King <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: David Miller <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/highmem.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/highmem.h b/include/linux/highmem.h index e3060ef85b6d..283cd47bb34c 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -201,8 +201,8 @@ static inline void copy_user_highpage(struct page *to, struct page *from, vfrom = kmap_atomic(from, KM_USER0); vto = kmap_atomic(to, KM_USER1); copy_user_page(vto, vfrom, vaddr, to); - kunmap_atomic(vfrom, KM_USER0); kunmap_atomic(vto, KM_USER1); + kunmap_atomic(vfrom, KM_USER0); } #endif @@ -214,8 +214,8 @@ static inline void copy_highpage(struct page *to, struct page *from) vfrom = kmap_atomic(from, KM_USER0); vto = kmap_atomic(to, KM_USER1); copy_page(vto, vfrom); - kunmap_atomic(vfrom, KM_USER0); kunmap_atomic(vto, KM_USER1); + kunmap_atomic(vfrom, KM_USER0); } #endif /* _LINUX_HIGHMEM_H */ |