The patch titled
radix-tree: make radix_tree_preload alloc one more slot
has been removed from the -mm tree. Its filename was
radix-tree-make-radix_tree_preload-alloc-one-more-slot.patch
This patch was dropped because it is obsolete
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: radix-tree: make radix_tree_preload alloc one more slot
From: Zhu Yanhai <zhu.yanhai@xxxxxxxxx>
The operations against radix tree always use paths with
RADIX_TREE_MAX_PATH + 1 slots, but radix_tree_preload only pre-allocs
RADIX_TREE_MAX_PATH slots at present, which causes radix_tree_node_alloc
tries to do kmem_cache_alloc at the last slot even if we don't have
gfp_mask & __GFP_WAIT in hand.
Signed-off-by: Zhu Yanhai <zhu.yanhai@xxxxxxxxx>
Cc: Wu Fengguang <wfg@xxxxxxxxxxxxxxx>
Cc: Jiri Kosina <jkosina@xxxxxxx>
Cc: Huang Shijie <shijie8@xxxxxxxxx>
Cc: Nick Piggin <nickpiggin@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/radix-tree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN lib/radix-tree.c~radix-tree-make-radix_tree_preload-alloc-one-more-slot lib/radix-tree.c
--- a/lib/radix-tree.c~radix-tree-make-radix_tree_preload-alloc-one-more-slot
+++ a/lib/radix-tree.c
@@ -79,7 +79,7 @@ static struct kmem_cache *radix_tree_nod
*/
struct radix_tree_preload {
int nr;
- struct radix_tree_node *nodes[RADIX_TREE_MAX_PATH];
+ struct radix_tree_node *nodes[RADIX_TREE_MAX_PATH + 1];
};
static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = { 0, };
_
Patches currently in -mm which might be from zhu.yanhai@xxxxxxxxx are
radix-tree-make-radix_tree_preload-alloc-one-more-slot.patch
linux-next.patch
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