The patch titled
radix-tree: small
has been removed from the -mm tree. Its filename is
radix-tree-small.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: radix-tree: small
From: Nick Piggin <npiggin@xxxxxxx>
Reduce radix tree node memory usage by about a factor of 4 for small files
(< 64K). There are pointer traversal and memory usage costs for large
files with dense pagecache.
Signed-off-by: Nick Piggin <npiggin@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
lib/radix-tree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN lib/radix-tree.c~radix-tree-small lib/radix-tree.c
--- a/lib/radix-tree.c~radix-tree-small
+++ a/lib/radix-tree.c
@@ -33,7 +33,7 @@
#ifdef __KERNEL__
-#define RADIX_TREE_MAP_SHIFT 6
+#define RADIX_TREE_MAP_SHIFT (CONFIG_BASE_SMALL ? 4 : 6)
#else
#define RADIX_TREE_MAP_SHIFT 3 /* For more stressful testing */
#endif
_
Patches currently in -mm which might be from npiggin@xxxxxxx are
origin.patch
mm-vm_bug_on.patch
radix-tree-rcu-lockless-readside.patch
redo-radix-tree-fixes.patch
adix-tree-rcu-lockless-readside-update.patch
sched-fix-smt-nice-lock-contention-and-optimization.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
