From 8165f70648da0a4a51e5871693781b2cc29b29d6 Mon Sep 17 00:00:00 2001 From: Vladimir Murzin Date: Mon, 14 Aug 2017 09:55:47 +0100 Subject: 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 Signed-off-by: Catalin Marinas --- arch/arm64/mm/dma-mapping.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/arm64/mm') 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; -- cgit v1.2.3-59-g8ed1b