* [PATCH] arm: mm: use kvmalloc instead of kzalloc and vzalloc
@ 2021-12-14 12:17 ` Qing Wang
0 siblings, 0 replies; 2+ messages in thread
From: Qing Wang @ 2021-12-14 12:17 UTC (permalink / raw)
To: Russell King, linux-arm-kernel, linux-kernel; +Cc: Wang Qing
From: Wang Qing <wangqing@vivo.com>
fix kvmalloc.cocci warning:
arch/arm/mm/dma-mapping.c:1209:28-29: WARNING opportunity for kvmalloc
Signed-off-by: Wang Qing <wangqing@vivo.com>
---
arch/arm/mm/dma-mapping.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 4b61541..0fa8801
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1206,10 +1206,7 @@ static struct page **__iommu_alloc_buffer(struct device *dev, size_t size,
int i = 0;
int order_idx = 0;
- if (array_size <= PAGE_SIZE)
- pages = kzalloc(array_size, GFP_KERNEL);
- else
- pages = vzalloc(array_size);
+ pages = kvmalloc(array_size, GFP_KERNEL);
if (!pages)
return NULL;
--
2.7.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] arm: mm: use kvmalloc instead of kzalloc and vzalloc
@ 2021-12-14 12:17 ` Qing Wang
0 siblings, 0 replies; 2+ messages in thread
From: Qing Wang @ 2021-12-14 12:17 UTC (permalink / raw)
To: Russell King, linux-arm-kernel, linux-kernel; +Cc: Wang Qing
From: Wang Qing <wangqing@vivo.com>
fix kvmalloc.cocci warning:
arch/arm/mm/dma-mapping.c:1209:28-29: WARNING opportunity for kvmalloc
Signed-off-by: Wang Qing <wangqing@vivo.com>
---
arch/arm/mm/dma-mapping.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 4b61541..0fa8801
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1206,10 +1206,7 @@ static struct page **__iommu_alloc_buffer(struct device *dev, size_t size,
int i = 0;
int order_idx = 0;
- if (array_size <= PAGE_SIZE)
- pages = kzalloc(array_size, GFP_KERNEL);
- else
- pages = vzalloc(array_size);
+ pages = kvmalloc(array_size, GFP_KERNEL);
if (!pages)
return NULL;
--
2.7.4
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^ permalink raw reply related [flat|nested] 2+ messages in thread
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2021-12-14 12:17 [PATCH] arm: mm: use kvmalloc instead of kzalloc and vzalloc Qing Wang
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