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radix-tree: add test for radix_tree_locate_item()

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Add a unit test that provides coverage for the bug fixed in the commit
entitled "radix-tree: rewrite radix_tree_locate_item fix" from Hugh
Dickins.  I've verified that this test fails before his patch due to
miscalculated 'index' values in __locate() in lib/radix-tree.c, and
passes with his fix.

Link: http://lkml.kernel.org/r/1462307263-20623-1-git-send-email-ross.zwisler@linux.intel.com
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ross Zwisler
2016-05-20 17:02:49 -07:00
committed by Linus Torvalds
parent 0a2efc6c80
commit eb73f7f330
2 changed files with 15 additions and 1 deletions
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1
tools/testing/radix-tree/linux/init.h Normal file
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/* An empty file stub that allows radix-tree.c to compile. */