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| author | Mike Frysinger <vapier@gentoo.org> | 2010-05-11 04:43:19 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2010-05-22 14:19:12 -0400 |
| commit | eb5400b6131e6ebaacf809357643a22a72d5cc4c (patch) | |
| tree | 5b95658962e3a30fbfdc052647ac55bb04fc03c1 /arch/blackfin/mm/sram-alloc.c | |
| parent | be1577e3787536290cc17afaeb2cd58bbcc7ed6c (diff) | |
| download | blackbird-op-linux-eb5400b6131e6ebaacf809357643a22a72d5cc4c.tar.gz blackbird-op-linux-eb5400b6131e6ebaacf809357643a22a72d5cc4c.zip | |
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>
Diffstat (limited to 'arch/blackfin/mm/sram-alloc.c')
| -rw-r--r-- | arch/blackfin/mm/sram-alloc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/blackfin/mm/sram-alloc.c b/arch/blackfin/mm/sram-alloc.c index 49b2ff2c8b74..627e04b5ba9a 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; |
