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[PATCH] Fix for shmem_truncate_range() BUG_ON()
authorBadari Pulavarty <pbadari@us.ibm.com>
Fri, 22 Dec 2006 09:06:23 +0000 (01:06 -0800)
committerLinus Torvalds <torvalds@woody.osdl.org>
Fri, 22 Dec 2006 16:55:47 +0000 (08:55 -0800)
commit92a3d03aab912624cae799e5772a6eb2ef55083f
tree6bd85729918e1c56044ad5a1d084838444ab428etree | snapshot (tar.gz zip)
parentba0084048ab785c2cb1d6cc2cccabe642a5b799acommit | diff
[PATCH] Fix for shmem_truncate_range() BUG_ON()

Ran into BUG() while doing madvise(REMOVE) testing.  If we are punching a
hole into shared memory segment using madvise(REMOVE) and the entire hole
is below the indirect blocks, we hit following assert.

        BUG_ON(limit <= SHMEM_NR_DIRECT);

Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
mm/shmem.c diff | blob | blame | history