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Message-ID: <20251013095620.1111061-1-chenhuacai@loongson.cn>
Date: Mon, 13 Oct 2025 17:56:20 +0800
From: Huacai Chen <chenhuacai@...ngson.cn>
To: Huacai Chen <chenhuacai@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-mm@...ck.org,
Christoph Hellwig <hch@....de>,
Jens Axboe <axboe@...nel.dk>,
Hannes Reinecke <hare@...e.de>,
John Garry <john.g.garry@...cle.com>,
Johannes Thumshirn <johannes.thumshirn@....com>,
linux-kernel@...r.kernel.org,
Huacai Chen <chenhuacai@...ngson.cn>
Subject: [PATCH] mm: Remove the BOUNCE config option
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@...ngson.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
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