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Commit 8165f706 authored by Vladimir Murzin's avatar Vladimir Murzin Committed by Catalin Marinas
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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: default avatarVladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 2fa59ec8

arch/arm64/mm/dma-mapping.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -42,7 +42,7 @@ static pgprot_t __get_dma_pgprot(unsigned long attrs, pgprot_t prot, 
	return 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

#define DEFAULT_DMA_COHERENT_POOL_SIZE  SZ_256K

static size_t atomic_pool_size __initdata = DEFAULT_DMA_COHERENT_POOL_SIZE;

static size_t atomic_pool_size __initdata = DEFAULT_DMA_COHERENT_POOL_SIZE;