* [PATCH] mm: Remove the BOUNCE config option
@ 2025-10-13 9:56 Huacai Chen
2025-10-13 12:52 ` David Hildenbrand
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: Huacai Chen @ 2025-10-13 9:56 UTC (permalink / raw)
To: Huacai Chen, Andrew Morton
Cc: linux-mm, Christoph Hellwig, Jens Axboe, Hannes Reinecke,
John Garry, Johannes Thumshirn, linux-kernel, Huacai Chen
Commit eeadd68e2a5f6bfe0bf10 ("block: remove bounce buffering support")
remove block/bounce.c but left the BOUNCE config option. Now this option
has no users, so remove it.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
mm/Kconfig | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/mm/Kconfig b/mm/Kconfig
index 0e26f4fc8717..e47321051d76 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -695,15 +695,6 @@ config PCP_BATCH_SCALE_MAX
config PHYS_ADDR_T_64BIT
def_bool 64BIT
-config BOUNCE
- bool "Enable bounce buffers"
- default y
- depends on BLOCK && MMU && HIGHMEM
- help
- Enable bounce buffers for devices that cannot access the full range of
- memory available to the CPU. Enabled by default when HIGHMEM is
- selected, but you may say n to override this.
-
config MMU_NOTIFIER
bool
select INTERVAL_TREE
--
2.47.3
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH] mm: Remove the BOUNCE config option
2025-10-13 9:56 [PATCH] mm: Remove the BOUNCE config option Huacai Chen
@ 2025-10-13 12:52 ` David Hildenbrand
2025-10-14 4:18 ` Christoph Hellwig
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: David Hildenbrand @ 2025-10-13 12:52 UTC (permalink / raw)
To: Huacai Chen, Huacai Chen, Andrew Morton
Cc: linux-mm, Christoph Hellwig, Jens Axboe, Hannes Reinecke,
John Garry, Johannes Thumshirn, linux-kernel
On 13.10.25 11:56, Huacai Chen wrote:
> Commit eeadd68e2a5f6bfe0bf10 ("block: remove bounce buffering support")
> remove block/bounce.c but left the BOUNCE config option. Now this option
> has no users, so remove it.
>
> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
> ---
LGTM
Acked-by: David Hildenbrand <david@redhat.com>
--
Cheers
David / dhildenb
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH] mm: Remove the BOUNCE config option
2025-10-13 9:56 [PATCH] mm: Remove the BOUNCE config option Huacai Chen
2025-10-13 12:52 ` David Hildenbrand
@ 2025-10-14 4:18 ` Christoph Hellwig
2025-10-14 13:07 ` Jens Axboe
2025-10-15 3:42 ` Anshuman Khandual
3 siblings, 0 replies; 5+ messages in thread
From: Christoph Hellwig @ 2025-10-14 4:18 UTC (permalink / raw)
To: Huacai Chen
Cc: Huacai Chen, Andrew Morton, linux-mm, Christoph Hellwig,
Jens Axboe, Hannes Reinecke, John Garry, Johannes Thumshirn,
linux-kernel
Looks good:
Reviewed-by: Christoph Hellwig <hch@lst.de>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] mm: Remove the BOUNCE config option
2025-10-13 9:56 [PATCH] mm: Remove the BOUNCE config option Huacai Chen
2025-10-13 12:52 ` David Hildenbrand
2025-10-14 4:18 ` Christoph Hellwig
@ 2025-10-14 13:07 ` Jens Axboe
2025-10-15 3:42 ` Anshuman Khandual
3 siblings, 0 replies; 5+ messages in thread
From: Jens Axboe @ 2025-10-14 13:07 UTC (permalink / raw)
To: Huacai Chen, Huacai Chen, Andrew Morton
Cc: linux-mm, Christoph Hellwig, Hannes Reinecke, John Garry,
Johannes Thumshirn, linux-kernel
On 10/13/25 3:56 AM, Huacai Chen wrote:
> Commit eeadd68e2a5f6bfe0bf10 ("block: remove bounce buffering support")
> remove block/bounce.c but left the BOUNCE config option. Now this option
> has no users, so remove it.
Acked-by: Jens Axboe <axboe@kernel.dk>
--
Jens Axboe
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH] mm: Remove the BOUNCE config option
2025-10-13 9:56 [PATCH] mm: Remove the BOUNCE config option Huacai Chen
` (2 preceding siblings ...)
2025-10-14 13:07 ` Jens Axboe
@ 2025-10-15 3:42 ` Anshuman Khandual
3 siblings, 0 replies; 5+ messages in thread
From: Anshuman Khandual @ 2025-10-15 3:42 UTC (permalink / raw)
To: Huacai Chen, Huacai Chen, Andrew Morton
Cc: linux-mm, Christoph Hellwig, Jens Axboe, Hannes Reinecke,
John Garry, Johannes Thumshirn, linux-kernel
On 13/10/25 3:26 PM, Huacai Chen wrote:
> Commit eeadd68e2a5f6bfe0bf10 ("block: remove bounce buffering support")
> remove block/bounce.c but left the BOUNCE config option. Now this option
> has no users, so remove it.
>
> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
> ---
> mm/Kconfig | 9 ---------
> 1 file changed, 9 deletions(-)
>
> diff --git a/mm/Kconfig b/mm/Kconfig
> index 0e26f4fc8717..e47321051d76 100644
> --- a/mm/Kconfig
> +++ b/mm/Kconfig
> @@ -695,15 +695,6 @@ config PCP_BATCH_SCALE_MAX
> config PHYS_ADDR_T_64BIT
> def_bool 64BIT
>
> -config BOUNCE
> - bool "Enable bounce buffers"
> - default y
> - depends on BLOCK && MMU && HIGHMEM
> - help
> - Enable bounce buffers for devices that cannot access the full range of
> - memory available to the CPU. Enabled by default when HIGHMEM is
> - selected, but you may say n to override this.
> -
> config MMU_NOTIFIER
> bool
> select INTERVAL_TREE
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2025-10-15 3:42 UTC | newest]
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2025-10-13 9:56 [PATCH] mm: Remove the BOUNCE config option Huacai Chen
2025-10-13 12:52 ` David Hildenbrand
2025-10-14 4:18 ` Christoph Hellwig
2025-10-14 13:07 ` Jens Axboe
2025-10-15 3:42 ` Anshuman Khandual
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