diff options
| author | David Howells <dhowells@redhat.com> | 2010-03-25 12:48:38 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-25 17:13:26 -0400 |
| commit | 7561e8ca0dfaf6fca3feef982830de3b65300e5b (patch) | |
| tree | 8b3fa49efdec009515b9de7503160877953c4027 /mm/slab.c | |
| parent | 39f1cd635cbe8a42c3c74fa6bf9f61c1156bd27b (diff) | |
NOMMU: Revert 'nommu: get_user_pages(): pin last page on non-page-aligned start'
Revert the following patch:
commit c08c6e1f54c85fc299cf9f88cf330d6dd28a9a1d
Author: Steven J. Magnani <steve@digidescorp.com>
Date: Fri Mar 5 13:42:24 2010 -0800
nommu: get_user_pages(): pin last page on non-page-aligned start
As it assumes that the mappings begin at the start of pages - something that
isn't necessarily true on NOMMU systems. On NOMMU systems, it is possible for
a mapping to only occupy part of the page, and not necessarily touch either end
of it; in fact it's also possible for multiple non-overlapping mappings to
coexist on one page (consider direct mappings of ROMFS files, for example).
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steven J. Magnani <steve@digidescorp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slab.c')
0 files changed, 0 insertions, 0 deletions