linux-kernel - [PATCH 4/6] mm: kfence: remove useless check for CONFIG_KFENCE_NUM

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Message-Id: <20230328095807.7014-5-songmuchun@bytedance.com>
Date:   Tue, 28 Mar 2023 17:58:05 +0800
From:   Muchun Song <songmuchun@...edance.com>
To:     glider@...gle.com, elver@...gle.com, dvyukov@...gle.com,
        akpm@...ux-foundation.org, jannh@...gle.com, sjpark@...zon.de,
        muchun.song@...ux.dev
Cc:     kasan-dev@...glegroups.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Muchun Song <songmuchun@...edance.com>
Subject: [PATCH 4/6] mm: kfence: remove useless check for CONFIG_KFENCE_NUM_OBJECTS

The CONFIG_KFENCE_NUM_OBJECTS is limited by kconfig and vary from 1 to
65535, so CONFIG_KFENCE_NUM_OBJECTS cannot be equabl to or smaller than
0. Removing it to simplify code.

Signed-off-by: Muchun Song <songmuchun@...edance.com>
---
 mm/kfence/core.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mm/kfence/core.c b/mm/kfence/core.c
index 5726bf2ae13c..41befcb3b069 100644
--- a/mm/kfence/core.c
+++ b/mm/kfence/core.c
@@ -115,7 +115,6 @@ EXPORT_SYMBOL(__kfence_pool); /* Export for test modules. */
  * Per-object metadata, with one-to-one mapping of object metadata to
  * backing pages (in __kfence_pool).
  */
-static_assert(CONFIG_KFENCE_NUM_OBJECTS > 0);
 struct kfence_metadata kfence_metadata[CONFIG_KFENCE_NUM_OBJECTS];
 
 /* Freelist with available objects. */
-- 
2.11.0