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 --- 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