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(parent: 6237bcd) | patch
[PATCH] mm: anon is already wrprotected
authorHugh Dickins <hugh@veritas.com>
Sun, 30 Oct 2005 01:15:55 +0000 (18:15 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Sun, 30 Oct 2005 04:40:36 +0000 (21:40 -0700)
commit72866f6f277ec0ddd6df7a3b6ecdcf59a28de115
treea76bb7fb8e092250c4399c20f0c7c973b77cb0bbtree | snapshot (tar.gz zip)
parent6237bcd94851e9cf0ecd2520d744779df0f5a9a6commit | 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>
mm/memory.c diff | blob | blame | history
mm/swapfile.c diff | blob | blame | history
Motorola kernel-slsi