From: Christoph Lameter <clameter@sgi.com>
Date: Tue, 26 Sep 2006 06:31:44 +0000 (-0700)
Subject: [PATCH] Guarantee that the uncached allocator gets pages on the correct node
X-Git-Tag: v3.12-rc1~33945
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bd1b1677b5d4f39deda068bf5cc43ce3aaec839f;p=kernel%2Fkernel-generic.git

[PATCH] Guarantee that the uncached allocator gets pages on the correct node

The uncached allocator manages per node pools.  Specify __GFP_THISNODE in
order to force allocation on the indicated node or fail.  The uncached
allocator has already logic to deal with failing allocations.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index 4c73a67..f813caa 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -98,7 +98,8 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid)
 
 	/* attempt to allocate a granule's worth of cached memory pages */
 
-	page = alloc_pages_node(nid, GFP_KERNEL | __GFP_ZERO,
+	page = alloc_pages_node(nid, GFP_KERNEL | __GFP_ZERO |
+				 __GFP_THISNODE | __GFP_NORETRY | __GFP_NOWARN,
 				IA64_GRANULE_SHIFT-PAGE_SHIFT);
 	if (!page) {
 		mutex_unlock(&uc_pool->add_chunk_mutex);