From: Kemeng Shi <shikemeng@huaweicloud.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
akpm@linux-foundation.org, baolin.wang@linux.alibaba.com,
mgorman@techsingularity.net, david@redhat.com
Subject: Re: [PATCH v2 7/7] mm/compaction: factor out code to test if we should run compaction for target order
Date: Wed, 30 Aug 2023 14:45:03 +0800 [thread overview]
Message-ID: <c915a3aa-d684-f468-4b41-02bdf9b5584d@huaweicloud.com> (raw)
In-Reply-To: <ZO1sBjE+1n3FQLbX@casper.infradead.org>
on 8/29/2023 11:54 AM, Matthew Wilcox wrote:
> On Sat, Aug 26, 2023 at 11:36:17PM +0800, Kemeng Shi wrote:
>> + if (compaction_suit_allocation_order(zone,
>> + pgdat->kcompactd_max_order,
>> + highest_zoneidx, ALLOC_WMARK_MIN) ==
>> + COMPACT_CONTINUE)
>
> The indentation is confusing here. It looks like COMPACT_CONTINUE is
> an argument of compaction_suit_allocation_order(). How about:
>
> ret = compaction_suit_allocation_order(zone,
> pgdat->kcompactd_max_order,
> highest_zoneidx, ALLOC_WMARK_MIN);
> if (ret == COMPACT_CONTINUE)
>
Thanks for information, I will fix it this way in next version.
> (assuming there's a handy variable called ret)
>
> You could also distinguih it by indenting COMPACT_CONTINUE by an
> extra tab, but I think it's worth an extra variable just because this is
> such a long line>
>> + if (compaction_suit_allocation_order(zone,
>> + cc.order, zoneid, ALLOC_WMARK_MIN) !=
>> + COMPACT_CONTINUE)
>> continue;
>
> Same here.
>
next prev parent reply other threads:[~2023-08-30 6:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-26 15:36 [PATCH v2 0/7] Fixes and cleanups to compaction Kemeng Shi
2023-08-26 15:36 ` [PATCH v2 1/7] mm/compaction: use correct list in move_freelist_{head}/{tail} Kemeng Shi
2023-08-29 9:03 ` Mel Gorman
2023-08-26 15:36 ` [PATCH v2 2/7] mm/compaction: call list_is_{first}/{last} more intuitively " Kemeng Shi
2023-08-29 9:18 ` Mel Gorman
2023-08-26 15:36 ` [PATCH v2 7/7] mm/compaction: factor out code to test if we should run compaction for target order Kemeng Shi
2023-08-29 3:48 ` Baolin Wang
2023-08-30 6:28 ` Kemeng Shi
2023-08-29 3:54 ` Matthew Wilcox
2023-08-30 6:45 ` Kemeng Shi [this message]
[not found] ` <20230826153617.4019189-4-shikemeng@huaweicloud.com>
2023-08-29 3:27 ` [PATCH v2 3/7] mm/compaction: correctly return failure with bogus compound_order in strict mode Baolin Wang
2023-08-29 9:39 ` Mel Gorman
2023-08-30 6:50 ` Kemeng Shi
[not found] ` <20230826153617.4019189-7-shikemeng@huaweicloud.com>
2023-08-29 3:28 ` [PATCH v2 6/7] mm/compaction: improve comment of is_via_compact_memory Baolin Wang
2023-08-29 15:06 ` Mel Gorman
[not found] ` <20230826153617.4019189-5-shikemeng@huaweicloud.com>
2023-08-29 15:01 ` [PATCH v2 4/7] mm/compaction: simplify pfn iteration in isolate_freepages_range Mel Gorman
2023-08-30 7:02 ` Kemeng Shi
[not found] ` <20230826153617.4019189-6-shikemeng@huaweicloud.com>
2023-08-29 15:05 ` [PATCH v2 5/7] mm/compaction: remove repeat compact_blockskip_flush check in reset_isolation_suitable Mel Gorman
2023-08-30 7:07 ` Kemeng Shi
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