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authorMatthew Wilcox <willy@linux.intel.com>2016-05-20 17:03:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-20 17:58:30 -0700
commitd0891265bbc988dc91ed8580b38eb3dac128581b (patch)
tree6807e6d2102ca79e4b53ff9903ada0ed652b4d38 /include
parent0694f0c9e20c47063e4237e5f6649ae5ce5a369a (diff)
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radix-tree: remove root->height
The only remaining references to root->height were in extend and shrink, where it was updated. Now we can remove it entirely. 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 'include')
-rw-r--r--include/linux/radix-tree.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index 037458257e12..c0d223cfac00 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -110,13 +110,11 @@ struct radix_tree_node {
/* root tags are stored in gfp_mask, shifted by __GFP_BITS_SHIFT */
struct radix_tree_root {
- unsigned int height;
gfp_t gfp_mask;
struct radix_tree_node __rcu *rnode;
};
#define RADIX_TREE_INIT(mask) { \
- .height = 0, \
.gfp_mask = (mask), \
.rnode = NULL, \
}
@@ -126,7 +124,6 @@ struct radix_tree_root {
#define INIT_RADIX_TREE(root, mask) \
do { \
- (root)->height = 0; \
(root)->gfp_mask = (mask); \
(root)->rnode = NULL; \
} while (0)