From eb5400b6131e6ebaacf809357643a22a72d5cc4c Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 11 May 2010 04:43:19 +0000
Subject: [PATCH] Blackfin: use atomic kmalloc in L1 alloc so it too can be
atomic
Some drivers allocate L1 SRAM in atomic contexts, so make sure these
functions also use GFP_ATOMIC to avoid BUG()'s.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
arch/blackfin/mm/sram-alloc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/blackfin/mm/sram-alloc.c b/arch/blackfin/mm/sram-alloc.c
index 49b2ff2c8b74b..627e04b5ba9a8 100644
--- a/arch/blackfin/mm/sram-alloc.c
+++ b/arch/blackfin/mm/sram-alloc.c
@@ -256,7 +256,8 @@ static void *_sram_alloc(size_t size, struct sram_piece *pfree_head,
plast->next = pslot->next;
pavail = pslot;
} else {
- pavail = kmem_cache_alloc(sram_piece_cache, GFP_KERNEL);
+ /* use atomic so our L1 allocator can be used atomically */
+ pavail = kmem_cache_alloc(sram_piece_cache, GFP_ATOMIC);
if (!pavail)
return NULL;
--
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