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From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
To: akpm@linux-foundation.org
Cc: linux-mm@kvack.org, zhongjiang@huawei.com
Subject: Re: [patch 14/15] mm/vmstat.c: walk the zone in pageblock_nr_pages steps
Date: Fri, 1 Dec 2017 16:44:33 +0900	[thread overview]
Message-ID: <20171201074432.GA21404@js1304-P5Q-DELUXE> (raw)
In-Reply-To: <5a20831b.ULuDgReaEYdaW2tL%akpm@linux-foundation.org>

On Thu, Nov 30, 2017 at 02:15:55PM -0800, akpm@linux-foundation.org wrote:
> From: zhong jiang <zhongjiang@huawei.com>
> Subject: mm/vmstat.c: walk the zone in pageblock_nr_pages steps
> 
> when walking the zone, we can happens to the holes. we should not
> align MAX_ORDER_NR_PAGES, so it can skip the normal memory.

Even if this change is applied, we could skip the normal memory in
some corner cases.

However, pagetypeinfo_showblockcount_print() that is highly related to
this function also jumps to the next pageblock when it found invalid
pfn so this patch make the code more consistent.

Therefore,

Acked-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>

Thanks.

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      reply	other threads:[~2017-12-01  7:38 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-30 22:15 [patch 14/15] mm/vmstat.c: walk the zone in pageblock_nr_pages steps akpm
2017-12-01  7:44 ` Joonsoo Kim [this message]

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