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Commit eb5400b6 authored by Mike Frysinger's avatar Mike Frysinger
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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: default avatarMike Frysinger <vapier@gentoo.org>
parent be1577e3

arch/blackfin/mm/sram-alloc.c

+2 −1
Original line number Diff line number Diff line
@@ -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;