linux-kernel - [PATCH] kasan: fix mention for KASAN_HW

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Message-Id: <20230619101224.22978-1-chanho.min@lge.com>
Date:   Mon, 19 Jun 2023 19:12:24 +0900
From:   Chanho Min <chanho.min@....com>
To:     Andrey Ryabinin <ryabinin.a.a@...il.com>,
        Alexander Potapenko <glider@...gle.com>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Vincenzo Frascino <vincenzo.frascino@....com>
Cc:     elver@...gle.com, kasan-dev@...glegroups.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, gunho.lee@....com,
        Chanho Min <chanho.min@....com>
Subject: [PATCH] kasan: fix mention for KASAN_HW_TAGS

This patch removes description of the KASAN_HW_TAGS's memory consumption.
KASAN_HW_TAGS does not set 1/32nd shadow memory.

Signed-off-by: Chanho Min <chanho.min@....com>
---
 lib/Kconfig.kasan | 2 --
 1 file changed, 2 deletions(-)

diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index fdca89c05745..5be1740234b9 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -124,8 +124,6 @@ config KASAN_HW_TAGS
 	  Supported only on arm64 CPUs starting from ARMv8.5 and relies on
 	  Memory Tagging Extension and Top Byte Ignore.
 
-	  Consumes about 1/32nd of available memory.
-
 	  May potentially introduce problems related to pointer casting and
 	  comparison, as it embeds a tag into the top byte of each pointer.
 
-- 
2.17.1