From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Matthew Wilcox <willy@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>
Cc: <linux-mm@kvack.org>, <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH v3 0/2] mm: batch mm counter updating in filemap_map_pages()
Date: Mon, 15 Apr 2024 13:41:09 +0800 [thread overview]
Message-ID: <73ad9d2b-01d3-4af7-bbb4-0063079f8070@huawei.com> (raw)
In-Reply-To: <ZhnaW0CzJZb_rrTl@casper.infradead.org>
On 2024/4/13 9:05, Matthew Wilcox wrote:
> On Fri, Apr 12, 2024 at 04:12:17PM -0700, Andrew Morton wrote:
>> On Fri, 12 Apr 2024 14:47:49 +0800 Kefeng Wang <wangkefeng.wang@huawei.com> wrote:
>>
>>> Let's batch mm counter updating to accelerate filemap_map_pages().
>>
>> Are any performance testing results available?
>
> Patch 2/2 says 12% improvement
Yes, lat_pagefault with 512M file from lmbench, thanks.
prev parent reply other threads:[~2024-04-15 5:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-12 6:47 Kefeng Wang
2024-04-12 6:47 ` [PATCH v3 1/2] mm: move mm counter updating out of set_pte_range() Kefeng Wang
2024-04-12 6:47 ` [PATCH v3 2/2] mm: filemap: batch mm counter updating in filemap_map_pages() Kefeng Wang
2024-04-12 23:12 ` [PATCH v3 0/2] mm: " Andrew Morton
2024-04-13 1:05 ` Matthew Wilcox
2024-04-15 5:41 ` Kefeng Wang [this message]
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