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ARM: 8698/1: 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.

Since we are here mark atomic_pool_size with __init_data.

Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Vladimir Murzin 2017-09-25 10:29:07 +01:00 committed by Russell King
parent acb624488d
commit b337e1c40d
1 changed files with 2 additions and 2 deletions
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4
arch/arm/mm/dma-mapping.c
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@ -382,9 +382,9 @@ static void __dma_free_remap(void *cpu_addr, size_t size)
}
#define DEFAULT_DMA_COHERENT_POOL_SIZE SZ_256K
static struct gen_pool *atomic_pool;
static struct gen_pool *atomic_pool __ro_after_init;
static size_t atomic_pool_size = DEFAULT_DMA_COHERENT_POOL_SIZE;
static size_t atomic_pool_size __initdata = DEFAULT_DMA_COHERENT_POOL_SIZE;
static int __init early_coherent_pool(char *p)
{