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author | Vladimir Murzin <vladimir.murzin@arm.com> | 2017-08-14 09:55:47 +0100 |
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committer | Catalin Marinas <catalin.marinas@arm.com> | 2017-08-21 16:24:53 +0100 |
commit | 8165f70648da0a4a51e5871693781b2cc29b29d6 (patch) | |
tree | 90e0511c80395391995149f3ddf3b6b55db97881 /arch/arm64/mm | |
parent | 2fa59ec8ccf38bbc2193ae61aed9afa0687974e0 (diff) | |
download | linux-8165f70648da0a4a51e5871693781b2cc29b29d6.tar.bz2 |
arm64: dma-mapping: Mark atomic_pool as __ro_after_init
atomic_pool is setup once while init stage and never changed after
that, so it is good candidate for __ro_after_init
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/mm')
-rw-r--r-- | arch/arm64/mm/dma-mapping.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index 7038e1a61397..614af886b7ef 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -42,7 +42,7 @@ static pgprot_t __get_dma_pgprot(unsigned long attrs, pgprot_t prot, return prot; } -static struct gen_pool *atomic_pool; +static struct gen_pool *atomic_pool __ro_after_init; #define DEFAULT_DMA_COHERENT_POOL_SIZE SZ_256K static size_t atomic_pool_size __initdata = DEFAULT_DMA_COHERENT_POOL_SIZE; |