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authorMatthew Wilcox <willy@linux.intel.com>2016-05-21 03:02:05 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-21 03:58:30 +0300
commitaa5475760235672f316fbf29cdfb82a75016dbdf (patch)
tree44f197dfda6d8911fa502ddaa03878ee4f010126 /lib
parent29e0967c2f66771f654cef7168c90a53737abcdf (diff)
downloadlinux-aa5475760235672f316fbf29cdfb82a75016dbdf.tar.xz
radix-tree: remove restriction on multi-order entries
Now that sibling pointers are handled explicitly, there is no purpose served by restricting the order to be >= RADIX_TREE_MAP_SHIFT. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Konstantin Khlebnikov <koct9i@gmail.com> Cc: Kirill Shutemov <kirill.shutemov@linux.intel.com> Cc: Jan Kara <jack@suse.com> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/radix-tree.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index b3364b9ecc83..6900f7b67c49 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -483,8 +483,6 @@ int __radix_tree_create(struct radix_tree_root *root, unsigned long index,
unsigned int height, shift, offset;
int error;
- BUG_ON((0 < order) && (order < RADIX_TREE_MAP_SHIFT));
-
/* Make sure the tree is high enough. */
if (index > radix_tree_maxindex(root->height)) {
error = radix_tree_extend(root, index, order);