From 9c43c13a35220c10d97a886616899189daceb359 Mon Sep 17 00:00:00 2001
From: Jason Evans <je@fb.com>
Date: Fri, 18 Mar 2011 10:53:15 -0700
Subject: Reverse tcache fill order.

Refill the thread cache such that low regions get used first.  This
fixes a regression due to the recent transition to bitmap-based region
management.
---
 jemalloc/src/arena.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/jemalloc/src/arena.c b/jemalloc/src/arena.c
index 87bd9bb..a1fa2a3 100644
--- a/jemalloc/src/arena.c
+++ b/jemalloc/src/arena.c
@@ -1360,7 +1360,8 @@ arena_tcache_fill_small(arena_t *arena, tcache_bin_t *tbin, size_t binind
 			ptr = arena_bin_malloc_hard(arena, bin);
 		if (ptr == NULL)
 			break;
-		tbin->avail[i] = ptr;
+		/* Insert such that low regions get used first. */
+		tbin->avail[nfill - 1 - i] = ptr;
 	}
 #ifdef JEMALLOC_STATS
 	bin->stats.allocated += (i - tbin->ncached) *
-- 
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