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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-10-26 23:21:47 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 01:52:08 +0200 |
| commit | 61ecdb801ef2cd28e32442383106d7837d76deac (patch) | |
| tree | 3ec4f04e09cc4a9b76dafaaa0c4dfd07e825e632 /crypto/async_tx | |
| parent | vmscan,tmpfs: treat used once pages on tmpfs as used once (diff) | |
| download | linux-61ecdb801ef2cd28e32442383106d7837d76deac.tar.xz linux-61ecdb801ef2cd28e32442383106d7837d76deac.zip | |
mm: strictly nested kmap_atomic()
Ensure kmap_atomic() usage is strictly nested
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Reviewed-by: Rik van Riel <riel@redhat.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: David Miller <davem@davemloft.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'crypto/async_tx')
| -rw-r--r-- | crypto/async_tx/async_memcpy.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c index 0ec1fb69d4ea..518c22bd9562 100644 --- a/crypto/async_tx/async_memcpy.c +++ b/crypto/async_tx/async_memcpy.c @@ -83,8 +83,8 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset, memcpy(dest_buf, src_buf, len); - kunmap_atomic(dest_buf, KM_USER0); kunmap_atomic(src_buf, KM_USER1); + kunmap_atomic(dest_buf, KM_USER0); async_tx_sync_epilog(submit); } |