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authorHugh Dickins <hugh@veritas.com>2005-10-29 18:15:55 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-29 21:40:36 -0700
commit72866f6f277ec0ddd6df7a3b6ecdcf59a28de115 (patch)
treea76bb7fb8e092250c4399c20f0c7c973b77cb0bb /mm/mmap.c
parent6237bcd94851e9cf0ecd2520d744779df0f5a9a6 (diff)
[PATCH] mm: anon is already wrprotected
do_anonymous_page's pte_wrprotect causes some confusion: in such a case, vm_page_prot must already be forcing COW, so must omit write permission, and so the pte_wrprotect is redundant. Replace it by a comment to that effect, and reword the comment on unuse_pte which also caused confusion. 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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