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* [PATCH] arm64: mm: Use better bitmap_zalloc()
@ 2021-05-29 11:15 Kefeng Wang
  2021-06-01 18:21 ` Will Deacon
  0 siblings, 1 reply; 2+ messages in thread
From: Kefeng Wang @ 2021-05-29 11:15 UTC (permalink / raw)
  To: linux-arm-kernel; +Cc: Kefeng Wang, Catalin Marinas, Will Deacon

Use better bitmap_zalloc() to allocate bitmap.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 arch/arm64/mm/context.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c
index 001737a8f309..cd72576ae2b7 100644
--- a/arch/arm64/mm/context.c
+++ b/arch/arm64/mm/context.c
@@ -402,14 +402,12 @@ static int asids_init(void)
 {
 	asid_bits = get_cpu_asid_bits();
 	atomic64_set(&asid_generation, ASID_FIRST_VERSION);
-	asid_map = kcalloc(BITS_TO_LONGS(NUM_USER_ASIDS), sizeof(*asid_map),
-			   GFP_KERNEL);
+	asid_map = bitmap_zalloc(NUM_USER_ASIDS, GFP_KERNEL);
 	if (!asid_map)
 		panic("Failed to allocate bitmap for %lu ASIDs\n",
 		      NUM_USER_ASIDS);
 
-	pinned_asid_map = kcalloc(BITS_TO_LONGS(NUM_USER_ASIDS),
-				  sizeof(*pinned_asid_map), GFP_KERNEL);
+	pinned_asid_map = bitmap_zalloc(NUM_USER_ASIDS, GFP_KERNEL);
 	nr_pinned_asids = 0;
 
 	/*
-- 
2.26.2


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^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] arm64: mm: Use better bitmap_zalloc()
  2021-05-29 11:15 [PATCH] arm64: mm: Use better bitmap_zalloc() Kefeng Wang
@ 2021-06-01 18:21 ` Will Deacon
  0 siblings, 0 replies; 2+ messages in thread
From: Will Deacon @ 2021-06-01 18:21 UTC (permalink / raw)
  To: linux-arm-kernel, Kefeng Wang; +Cc: catalin.marinas, kernel-team, Will Deacon

On Sat, 29 May 2021 19:15:10 +0800, Kefeng Wang wrote:
> Use better bitmap_zalloc() to allocate bitmap.

Applied to arm64 (for-next/mm), thanks!

[1/1] arm64: mm: Use better bitmap_zalloc()
      https://git.kernel.org/arm64/c/5ae632ed356c

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev

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2021-05-29 11:15 [PATCH] arm64: mm: Use better bitmap_zalloc() Kefeng Wang
2021-06-01 18:21 ` Will Deacon

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