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authorHugh Dickins <hugh@veritas.com>2005-10-29 18:16:36 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-29 21:40:42 -0700
commit92dc6fcc845d99e87d8168e0786796525832d130 (patch)
treeac36da7e3dc3e0ba62d4139443beb7eb7c25288d /include/rxrpc
parent69b0475456ff7ef520e16f69d7a15c0d68b74e64 (diff)
[PATCH] mm: parisc pte atomicity
There's a worrying function translation_exists in parisc cacheflush.h, unaffected by split ptlock since flush_dcache_page is using it on some other mm, without any relevant lock. Oh well, make it a slightly more robust by factoring the pfn check within it. And it looked liable to confuse a camouflaged swap or file entry with a good pte: fix that too. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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