From: Baoquan He <bhe@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, akpm@linux-foundation.org, dennis@kernel.org,
tj@kernel.org, cl@linux.com, mawupeng1@huawei.com,
Baoquan He <bhe@redhat.com>
Subject: [PATCH 1/3] mm/percpu.c: remove redundant check
Date: Fri, 21 Jul 2023 21:17:58 +0800 [thread overview]
Message-ID: <20230721131800.20003-2-bhe@redhat.com> (raw)
In-Reply-To: <20230721131800.20003-1-bhe@redhat.com>
The conditional check "(ai->dyn_size < PERCPU_DYNAMIC_EARLY_SIZE) has
covered the check '(!ai->dyn_size)'.
Signed-off-by: Baoquan He <bhe@redhat.com>
---
mm/percpu.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/mm/percpu.c b/mm/percpu.c
index 28e07ede46f6..1480bf283d11 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -2615,7 +2615,6 @@ void __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai,
PCPU_SETUP_BUG_ON(ai->unit_size < PCPU_MIN_UNIT_SIZE);
PCPU_SETUP_BUG_ON(!IS_ALIGNED(ai->unit_size, PCPU_BITMAP_BLOCK_SIZE));
PCPU_SETUP_BUG_ON(ai->dyn_size < PERCPU_DYNAMIC_EARLY_SIZE);
- PCPU_SETUP_BUG_ON(!ai->dyn_size);
PCPU_SETUP_BUG_ON(!IS_ALIGNED(ai->reserved_size, PCPU_MIN_ALLOC_SIZE));
PCPU_SETUP_BUG_ON(!(IS_ALIGNED(PCPU_BITMAP_BLOCK_SIZE, PAGE_SIZE) ||
IS_ALIGNED(PAGE_SIZE, PCPU_BITMAP_BLOCK_SIZE)));
--
2.34.1
next prev parent reply other threads:[~2023-07-21 13:19 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-21 13:17 [PATCH 0/3] percpu: some trivial cleanup patches Baoquan He
2023-07-21 13:17 ` Baoquan He [this message]
2023-07-21 20:55 ` [PATCH 1/3] mm/percpu.c: remove redundant check Dennis Zhou
2023-07-21 13:17 ` [PATCH 2/3] mm/percpu.c: optimize the code in pcpu_setup_first_chunk() a little bit Baoquan He
2023-07-21 21:01 ` Dennis Zhou
2023-07-22 1:14 ` Baoquan He
2023-07-21 13:18 ` [PATCH 3/3] mm/percpu.c: print error message too if atomic alloc failed Baoquan He
2023-07-21 21:03 ` Dennis Zhou
2023-07-22 1:56 ` Baoquan He
2023-07-21 21:04 ` [PATCH 0/3] percpu: some trivial cleanup patches Dennis Zhou
2023-07-22 3:30 ` Baoquan He
2023-07-27 22:50 ` Dennis Zhou
2023-07-28 3:04 ` Baoquan He
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