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sh: Fix mmap2 for handling differing PAGE_SIZEs.
authorToshinobu Sugioka <sugioka@itonet.co.jp>
Mon, 20 Apr 2009 22:34:53 +0000 (07:34 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Mon, 20 Apr 2009 22:34:53 +0000 (07:34 +0900)
commit8c31813f31cd4403b46802866949a95a6e8fa584
tree83f774f5b0f979d53b909638efe56d8dc2e05ea0tree | snapshot (tar.gz zip)
parentaefe6475720bd5eb8aacbc881488f3aa65618562commit | diff
sh: Fix mmap2 for handling differing PAGE_SIZEs.

mmap2 uses a fixed page shift of 12, regardless of the PAGE_SIZE setting.
Fix up the mmap2 code to add some sanity checks on the mapping, and to
update pgoff accordingly.

Error handling bits based on 4280e3126f641898f0ed1a931645373d3489e2a6
("frv: fix mmap2 error handling").

Signed-off-by: Toshinobu Sugioka <sugioka@itonet.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
arch/sh/kernel/sys_sh.c diff | blob | blame | history