[PATCH] mm: Remove the BOUNCE config option

From: Huacai Chen

Date: Mon Oct 13 2025 - 05:56:49 EST


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@xxxxxxxxxxx>
---
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