tree 5ccccfe90e6bfb472e6000fd4f55c9be66eb795c
parent d694ad62bf539dbb20a0899ac2a954555f9e4a83
author Becky Bruce <beckyb@kernel.crashing.org> 1311639109 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1311652627 -0700

fs/hugetlbfs/inode.c: fix pgoff alignment checking on 32-bit

This:

    vma->vm_pgoff & ~(huge_page_mask(h) >> PAGE_SHIFT)

is incorrect on 32-bit.  It causes us to & the pgoff with something that
looks like this (for a 4m hugepage): 0xfff003ff.  The mask should be
flipped and *then* shifted, to give you 0x0000_03fff.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>