From: David S. Miller <davem@davemloft.net>
Date: Tue, 19 Feb 2013 20:56:18 +0000 (-0800)
Subject: sparc64: Fix gfp_flags setting in tsb_grow().
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a55ee1ff751f88252207160087d8197bb7538d4c;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

sparc64: Fix gfp_flags setting in tsb_grow().

We should "|= more_flags" rather than "= more_flags".

Reported-by: David Rientjes <rientjes@google.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c
index 7f6474347491..428982b9becf 100644
--- a/arch/sparc/mm/tsb.c
+++ b/arch/sparc/mm/tsb.c
@@ -314,7 +314,7 @@ void tsb_grow(struct mm_struct *mm, unsigned long tsb_index, unsigned long rss)
 retry_tsb_alloc:
 	gfp_flags = GFP_KERNEL;
 	if (new_size > (PAGE_SIZE * 2))
-		gfp_flags = __GFP_NOWARN | __GFP_NORETRY;
+		gfp_flags |= __GFP_NOWARN | __GFP_NORETRY;
 
 	new_tsb = kmem_cache_alloc_node(tsb_caches[new_cache_index],
 					gfp_flags, numa_node_id());