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| author | Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2019-09-11 20:25:43 +0200 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2019-10-14 10:56:28 +0100 |
| commit | ae970dc096b2d39f65f2e18d142e3978dc9ee1c7 (patch) | |
| tree | 2326b074256df26197a35fbe4f1136a39be8f07c | |
| parent | 4f5cafb5cb8471e54afdc9054d973535614f7675 (diff) | |
arm64: mm: use arm64_dma_phys_limit instead of calling max_zone_dma_phys()
By the time we call zones_sizes_init() arm64_dma_phys_limit already
contains the result of max_zone_dma_phys(). We use the variable instead
of calling the function directly to save some precious cpu time.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| -rw-r--r-- | arch/arm64/mm/init.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 45c00a54909c..098c0f5bedf6 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -187,7 +187,7 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max) unsigned long max_zone_pfns[MAX_NR_ZONES] = {0}; #ifdef CONFIG_ZONE_DMA32 - max_zone_pfns[ZONE_DMA32] = PFN_DOWN(max_zone_dma_phys()); + max_zone_pfns[ZONE_DMA32] = PFN_DOWN(arm64_dma_phys_limit); #endif max_zone_pfns[ZONE_NORMAL] = max; |