From: Dennis Zhou <dennis@kernel.org>
To: Baoquan He <bhe@redhat.com>
Cc: linux-kernel@vger.kernel.org, Tejun Heo <tj@kernel.org>,
Christoph Lameter <cl@linux.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org
Subject: Re: [PATCH 5/8] mm/percpu: replace the goto with break
Date: Mon, 24 Oct 2022 10:00:09 -0700 [thread overview]
Message-ID: <Y1bEmX1JITmafWLM@fedora> (raw)
In-Reply-To: <20221024081435.204970-6-bhe@redhat.com>
On Mon, Oct 24, 2022 at 04:14:32PM +0800, Baoquan He wrote:
> In function pcpu_reclaim_populated(), the line of goto jumping is
> unnecessary since the label 'end_chunk' is near the end of the for
> loop, use break instead.
>
> Signed-off-by: Baoquan He <bhe@redhat.com>
> ---
> mm/percpu.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/mm/percpu.c b/mm/percpu.c
> index 09e407338573..954abf916c7d 100644
> --- a/mm/percpu.c
> +++ b/mm/percpu.c
> @@ -2167,7 +2167,7 @@ static void pcpu_reclaim_populated(void)
> /* reintegrate chunk to prevent atomic alloc failures */
> if (pcpu_nr_empty_pop_pages < PCPU_EMPTY_POP_PAGES_HIGH) {
> reintegrate = true;
> - goto end_chunk;
> + break;
> }
>
> /*
> @@ -2203,7 +2203,6 @@ static void pcpu_reclaim_populated(void)
> end = -1;
> }
>
> -end_chunk:
> /* batch tlb flush per chunk to amortize cost */
> if (freed_page_start < freed_page_end) {
> spin_unlock_irq(&pcpu_lock);
> --
> 2.34.1
>
>
Acked-by: Dennis Zhou <dennis@kernel.org>
Thanks,
Dennis
next prev parent reply other threads:[~2022-10-24 17:00 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-24 8:14 [PATCH 0/8] Cleanup and optimization patches for percpu Baoquan He
2022-10-24 8:14 ` [PATCH 1/8] mm/percpu: remove unused pcpu_map_extend_chunks Baoquan He
2022-10-24 16:51 ` Dennis Zhou
2022-10-24 8:14 ` [PATCH 2/8] mm/percpu: use list_first_entry_or_null in pcpu_reclaim_populated() Baoquan He
2022-10-24 10:17 ` kernel test robot
2022-10-24 16:52 ` Dennis Zhou
2022-10-25 3:11 ` [PATCH v2 " Baoquan He
2022-10-24 8:14 ` [PATCH 3/8] mm/percpu: Update the code comment when creating new chunk Baoquan He
2022-10-24 16:54 ` Dennis Zhou
2022-10-24 8:14 ` [PATCH 4/8] mm/percpu: add comment to state the empty populated pages accounting Baoquan He
2022-10-24 16:56 ` Dennis Zhou
2022-10-25 3:47 ` Baoquan He
2022-10-25 3:45 ` [PATCH v2 " Baoquan He
2022-10-24 8:14 ` [PATCH 5/8] mm/percpu: replace the goto with break Baoquan He
2022-10-24 17:00 ` Dennis Zhou [this message]
2022-10-24 8:14 ` [PATCH 6/8] mm/percpu.c: remove the lcm code since block size is fixed at page size Baoquan He
2022-10-24 17:00 ` Dennis Zhou
2022-10-24 8:14 ` [PATCH 7/8] mm/percpu: remove unused PERCPU_DYNAMIC_EARLY_SLOTS Baoquan He
2022-10-24 17:03 ` Dennis Zhou
2022-10-24 8:14 ` [PATCH 8/8] mm/slub, percpu: correct the calculation of early percpu allocation size Baoquan He
2022-10-24 13:52 ` Hyeonggon Yoo
2022-10-24 17:03 ` Dennis Zhou
2022-11-06 20:56 ` Vlastimil Babka
2022-11-07 4:35 ` Baoquan He
2022-11-07 7:20 ` Dennis Zhou
2022-11-07 8:23 ` Baoquan He
2022-10-24 17:09 ` [PATCH 0/8] Cleanup and optimization patches for percpu Dennis Zhou
2022-11-08 7:05 ` Dennis Zhou
2022-11-08 9:14 ` Baoquan He
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