The patch titled
lib-do-code-optimization-for-radix_tree_lookup-and-radix_tree_lookup_slot update
has been added to the -mm tree. Its filename is
lib-do-code-optimization-for-radix_tree_lookup-and-radix_tree_lookup_slot-update.patch
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------------------------------------------------------
Subject: lib-do-code-optimization-for-radix_tree_lookup-and-radix_tree_lookup_slot update
From: Huang Shijie <shijie8@xxxxxxxxx>
Signed-off-by: Huang Shijie <shijie8@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/radix-tree.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff -puN lib/radix-tree.c~lib-do-code-optimization-for-radix_tree_lookup-and-radix_tree_lookup_slot-update lib/radix-tree.c
--- a/lib/radix-tree.c~lib-do-code-optimization-for-radix_tree_lookup-and-radix_tree_lookup_slot-update
+++ a/lib/radix-tree.c
@@ -355,8 +355,8 @@ EXPORT_SYMBOL(radix_tree_insert);
* is_slot == 1 : search for the slot.
* is_slot == 0 : search for the node.
*/
-static void * radix_tree_lookup_element(struct radix_tree_root *root,
- unsigned long index, int is_slot)
+static void *radix_tree_lookup_element(struct radix_tree_root *root,
+ unsigned long index, int is_slot)
{
unsigned int height, shift;
struct radix_tree_node *node, **slot;
@@ -389,25 +389,25 @@ static void * radix_tree_lookup_element(
height--;
} while (height > 0);
- return is_slot ? (void *)slot : node;
+ return is_slot ? (void *)slot:node;
}
/**
- * radix_tree_lookup_slot - lookup a slot in a radix tree
- * @root: radix tree root
- * @index: index key
+ * radix_tree_lookup_slot - lookup a slot in a radix tree
+ * @root: radix tree root
+ * @index: index key
*
- * Returns: the slot corresponding to the position @index in the
- * radix tree @root. This is useful for update-if-exists operations.
+ * Returns: the slot corresponding to the position @index in the
+ * radix tree @root. This is useful for update-if-exists operations.
*
- * This function can be called under rcu_read_lock iff the slot is not
- * modified by radix_tree_replace_slot, otherwise it must be called
- * exclusive from other writers. Any dereference of the slot must be done
- * using radix_tree_deref_slot.
+ * This function can be called under rcu_read_lock iff the slot is not
+ * modified by radix_tree_replace_slot, otherwise it must be called
+ * exclusive from other writers. Any dereference of the slot must be done
+ * using radix_tree_deref_slot.
*/
void **radix_tree_lookup_slot(struct radix_tree_root *root, unsigned long index)
{
- return (void**)radix_tree_lookup_element(root, index, 1);
+ return (void **)radix_tree_lookup_element(root, index, 1);
}
EXPORT_SYMBOL(radix_tree_lookup_slot);
@@ -425,7 +425,7 @@ EXPORT_SYMBOL(radix_tree_lookup_slot);
*/
void *radix_tree_lookup(struct radix_tree_root *root, unsigned long index)
{
- return radix_tree_lookup_element(root, index, 0);
+ return radix_tree_lookup_element(root, index, 0);
}
EXPORT_SYMBOL(radix_tree_lookup);
_
Patches currently in -mm which might be from shijie8@xxxxxxxxx are
lib-do-code-optimization-for-radix_tree_lookup-and-radix_tree_lookup_slot.patch
lib-do-code-optimization-for-radix_tree_lookup-and-radix_tree_lookup_slot-update.patch
lib-do-code-optimization-for-radix_tree_lookup-and-radix_tree_lookup_slot-checkpatch-fixes.patch
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