linux-kernel - [PATCH] mm: Kconfig: fixup zsmalloc configuration

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Message-ID: <20240903040143.1580705-1-senozhatsky@chromium.org>
Date: Tue,  3 Sep 2024 13:00:22 +0900
From: Sergey Senozhatsky <senozhatsky@...omium.org>
To: Andrew Morton <akpm@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Minchan Kim <minchan@...nel.org>
Cc: linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Sergey Senozhatsky <senozhatsky@...omium.org>
Subject: [PATCH] mm: Kconfig: fixup zsmalloc configuration

zsmalloc is not exclusive to zswap. Commit aa3ba6d72ce0
("mm: Kconfig: fixup zsmalloc configuration") made CONFIG_ZSMALLOC
only visible when CONFIG_ZSWAP is selected, which makes it
impossible to menuconfig zsmalloc-specific features (stats,
chain-size, etc.) on systems that use ZRAM but don't have ZSWAP
enabled.

Make zsmalloc depend on both ZRAM and ZSWAP.

Fixes: Fixes: aa3ba6d72ce0 ("mm: Kconfig: fixup zsmalloc configuration")
Signed-off-by: Sergey Senozhatsky <senozhatsky@...omium.org>
---
 mm/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/Kconfig b/mm/Kconfig
index b23913d4e47e..1aa282e35dc7 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -188,7 +188,7 @@ config Z3FOLD
 
 config ZSMALLOC
 	tristate
-	prompt "N:1 compression allocator (zsmalloc)" if ZSWAP
+	prompt "N:1 compression allocator (zsmalloc)" if (ZSWAP || ZRAM)
 	depends on MMU
 	help
 	  zsmalloc is a slab-based memory allocator designed to store
-- 
2.46.0.469.g59c65b2a67-goog