linux-kernel - [PATCH 1/3] arch/Kconfig: Split PAGE_SIZE_LESS_THAN_256KB from PAGE_SIZE_LESS_THAN

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Message-Id: <20211129230141.228085-2-nathan@kernel.org>
Date:   Mon, 29 Nov 2021 16:01:39 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>,
        Luis Chamberlain <mcgrof@...nel.org>
Cc:     Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>
Subject: [PATCH 1/3] arch/Kconfig: Split PAGE_SIZE_LESS_THAN_256KB from PAGE_SIZE_LESS_THAN_64KB

btrfs requires a page size smaller than 256kB. To use that dependency in
other places, introduce CONFIG_PAGE_SIZE_LESS_THAN_256KB and reuse that
dependency in CONFIG_PAGE_SIZE_LESS_THAN_64KB.

Signed-off-by: Nathan Chancellor <nathan@...nel.org>
---
 arch/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/Kconfig b/arch/Kconfig
index d3c4ab249e9c..c1936e154e66 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -998,6 +998,10 @@ config PAGE_SIZE_LESS_THAN_64KB
 	depends on !PAGE_SIZE_64KB
 	depends on !PARISC_PAGE_SIZE_64KB
 	depends on !PPC_64K_PAGES
+	depends on PAGE_SIZE_LESS_THAN_256KB
+
+config PAGE_SIZE_LESS_THAN_256KB
+	def_bool y
 	depends on !PPC_256K_PAGES
 	depends on !PAGE_SIZE_256KB
 
-- 
2.34.1