From: Miaohe Lin <linmiaohe@huawei.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: <akpm@linux-foundation.org>, <ying.huang@intel.com>,
<songmuchun@bytedance.com>, <willy@infradead.org>,
<linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 1/9] mm/vmscan: add a comment about MADV_FREE pages check in folio_check_dirty_writeback
Date: Tue, 12 Apr 2022 11:15:17 +0800 [thread overview]
Message-ID: <932f5586-f0d9-4046-1b9d-8da43f86abf8@huawei.com> (raw)
In-Reply-To: <YlQ4WkQ1CMYNtted@infradead.org>
On 2022/4/11 22:16, Christoph Hellwig wrote:
> On Sat, Apr 09, 2022 at 05:34:52PM +0800, Miaohe Lin wrote:
>> The MADV_FREE pages check in folio_check_dirty_writeback is a bit hard to
>> follow. Add a comment to make the code clear.
>>
>> Suggested-by: Huang, Ying <ying.huang@intel.com>
>> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
>> ---
>> mm/vmscan.c | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/mm/vmscan.c b/mm/vmscan.c
>> index c77d5052f230..4a76be47bed1 100644
>> --- a/mm/vmscan.c
>> +++ b/mm/vmscan.c
>> @@ -1436,6 +1436,9 @@ static void folio_check_dirty_writeback(struct folio *folio,
>> /*
>> * Anonymous pages are not handled by flushers and must be written
>> * from reclaim context. Do not stall reclaim based on them
>
> While you touch this please add a period at the end of the above
> sentence.
Will do.
>
> Otherwise looks good:
>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
Many thanks for review!
> .
>
next prev parent reply other threads:[~2022-04-12 3:15 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-09 9:34 [PATCH v2 0/9] A few cleanup and fixup patches for vmscan Miaohe Lin
2022-04-09 9:34 ` [PATCH v2 1/9] mm/vmscan: add a comment about MADV_FREE pages check in folio_check_dirty_writeback Miaohe Lin
2022-04-11 11:50 ` ying.huang
2022-04-12 3:07 ` Miaohe Lin
2022-04-11 14:16 ` Christoph Hellwig
2022-04-12 3:15 ` Miaohe Lin [this message]
2022-04-12 8:44 ` Oscar Salvador
2022-04-09 9:34 ` [PATCH v2 2/9] mm/vmscan: remove unneeded can_split_huge_page check Miaohe Lin
2022-04-11 14:18 ` Christoph Hellwig
2022-04-12 3:14 ` Miaohe Lin
2022-04-12 0:52 ` ying.huang
2022-04-12 8:59 ` Oscar Salvador
2022-04-12 13:42 ` Miaohe Lin
2022-04-12 14:59 ` David Hildenbrand
2022-04-13 1:26 ` ying.huang
2022-04-13 2:17 ` Miaohe Lin
2022-04-15 3:07 ` ying.huang
2022-04-16 2:34 ` Miaohe Lin
2022-04-09 9:34 ` [PATCH v2 3/9] mm/vmscan: introduce helper function reclaim_page_list() Miaohe Lin
2022-04-09 13:44 ` Matthew Wilcox
2022-04-11 1:53 ` Miaohe Lin
2022-04-11 3:17 ` Matthew Wilcox
2022-04-11 3:26 ` Miaohe Lin
2022-04-09 9:34 ` [PATCH v2 4/9] mm/vmscan: save a bit of stack space in shrink_lruvec Miaohe Lin
2022-04-12 0:57 ` ying.huang
2022-04-12 3:13 ` Miaohe Lin
2022-04-09 9:34 ` [PATCH v2 5/9] mm/vmscan: activate swap-backed executable folios after first usage Miaohe Lin
2022-04-12 0:59 ` ying.huang
2022-04-09 9:34 ` [PATCH v2 6/9] mm/vmscan: take all base pages of THP into account when race with speculative reference Miaohe Lin
2022-04-09 9:34 ` [PATCH v2 7/9] mm/vmscan: take min_slab_pages into account when try to call shrink_node Miaohe Lin
2022-04-12 1:36 ` ying.huang
2022-04-09 9:34 ` [PATCH v2 8/9] mm/vmscan: remove obsolete comment in kswapd_run Miaohe Lin
2022-04-09 9:35 ` [PATCH v2 9/9] mm/vmscan: use helper folio_is_file_lru() Miaohe Lin
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