From 8df275af8db8220d7e3f1bf97b6ac7aad05f96f0 Mon Sep 17 00:00:00 2001
From: David Rientjes <rientjes@google.com>
Date: Sun, 22 Aug 2010 16:16:06 -0700
Subject: [PATCH] slob: fix gfp flags for order-0 page allocations
kmalloc_node() may allocate higher order slob pages, but the __GFP_COMP
bit is only passed to the page allocator and not represented in the
tracepoint event. The bit should be passed to trace_kmalloc_node() as
well.
Acked-by: Matt Mackall <mpm@selenic.com>
Reviewed-by: Christoph Lameter <cl@linux.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
---
mm/slob.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/mm/slob.c b/mm/slob.c
index d582171c8101..617b6d6c42c7 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -500,7 +500,9 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node)
} else {
unsigned int order = get_order(size);
- ret = slob_new_pages(gfp | __GFP_COMP, get_order(size), node);
+ if (likely(order))
+ gfp |= __GFP_COMP;
+ ret = slob_new_pages(gfp, order, node);
if (ret) {
struct page *page;
page = virt_to_page(ret);
--
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