From 6140ae41effe0fff80ff3d6f1bfdff64aa06e9b4 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Sun, 22 May 2022 13:40:27 -0700 Subject: [PATCH] zram: fix Kconfig dependency warning ZSMALLOC depends on MMU so ZRAM should also depend on MMU since 'select' does not follow any dependency chains. Fixes this Kconfig warning: WARNING: unmet direct dependencies detected for ZSMALLOC Depends on [n]: MMU [=n] Selected by [y]: - ZRAM [=y] && BLK_DEV [=y] && BLOCK [=y] && SYSFS [=y] && (CRYPTO_LZO [=y] || CRYPTO_ZSTD [=m] || CRYPTO_LZ4 [=m] || CRYPTO_LZ4HC [=n] || CRYPTO_842 [=n]) Link: https://lkml.kernel.org/r/20220522204027.22964-1-rdunlap@infradead.org Fixes: b3fbd58fcbb10 ("mm: Kconfig: simplify zswap configuration") Signed-off-by: Randy Dunlap Acked-by: Johannes Weiner Cc: Minchan Kim Cc: Nitin Gupta Cc: Sergey Senozhatsky Cc: Jens Axboe Signed-off-by: Andrew Morton --- drivers/block/zram/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/zram/Kconfig b/drivers/block/zram/Kconfig index e4163d4b936b..d4100b0c083e 100644 --- a/drivers/block/zram/Kconfig +++ b/drivers/block/zram/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 config ZRAM tristate "Compressed RAM block device support" - depends on BLOCK && SYSFS + depends on BLOCK && SYSFS && MMU depends on CRYPTO_LZO || CRYPTO_ZSTD || CRYPTO_LZ4 || CRYPTO_LZ4HC || CRYPTO_842 select ZSMALLOC help -- 2.20.1