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authorDavid Howells <dhowells@redhat.com>2010-04-06 14:35:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-04-07 08:38:05 -0700
commit08dc179b9b00cfbed006ae6f5d0e471ef79dc69c (patch)
treee16cc9ee894fdd78e6a427abc68060067c34f0fc /fs/fscache
parentea56f411ec2d4d8689eb7f3bcd24e860acf87c47 (diff)
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frv: fix kernel/user segment handling in NOMMU mode
In NOMMU mode, the FRV segment handling is broken because KERNEL_DS == USER_DS. This causes tests of the following sort: /* don't pin down non-user-based iovecs */ if (segment_eq(get_fs(), KERNEL_DS)) return NULL; to malfunction. To fix this, make USER_DS the top of RAM instead of the top of the non-IO address space, and make KERNEL_DS one more than the top of the non-IO address space. Also get rid of FRV's __addr_ok() as nothing uses it. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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