tree d59aacd49db784c720fb5ee9c8830a9228ee8a93
parent f102c840f7f72492a83c93fa65396fe0edcf1df6
author Badari Pulavarty <pbadari@us.ibm.com> 1166778383 -0800
committer Greg Kroah-Hartman <gregkh@suse.de> 1172274593 -0800

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>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>