[patch] mempool-2.5.1-D0

[Ingo Molnar]

the attached patch against -pre11 fixes a possible deadlock pointed out by
Arjan: gfp_nowait needs to exclude __GFP_IO as well, to avoid some of the
deeper deadlocks where the first ->alloc() would generate IO.

	Ingo

--- linux/mm/mempool.c.orig	Fri Dec 14 12:34:08 2001
+++ linux/mm/mempool.c	Fri Dec 14 12:35:53 2001
@@ -185,7 +185,7 @@
 	struct list_head *tmp;
 	int curr_nr;
 	DECLARE_WAITQUEUE(wait, current);
-	int gfp_nowait = gfp_mask & ~__GFP_WAIT;
+	int gfp_nowait = gfp_mask & ~(__GFP_WAIT | __GFP_IO);

 repeat_alloc:
 	element = pool->alloc(gfp_nowait, pool->pool_data);