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authorDavid Howells <dhowells@redhat.com>2010-03-25 16:48:38 +0000
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-25 14:13:26 -0700
commit7561e8ca0dfaf6fca3feef982830de3b65300e5b (patch)
tree8b3fa49efdec009515b9de7503160877953c4027 /include/video/neomagic.h
parent39f1cd635cbe8a42c3c74fa6bf9f61c1156bd27b (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 'include/video/neomagic.h')
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