From: Joonsoo Kim <js1304@gmail.com>
To: Miaohe Lin <linmiaohe@huawei.com>
Cc: "ying.huang@intel.com" <ying.huang@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Christoph Hellwig <hch@lst.de>,
Oscar Salvador <osalvador@suse.de>,
Linux Memory Management List <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 3/6] mm/vmscan: activate swap-backed executable folios after first usage
Date: Wed, 27 Apr 2022 13:08:52 +0900 [thread overview]
Message-ID: <CAAmzW4NV9_LiGsN3Qn3uv19ZLFn9zZ3hdLFy1HOgbec5Or0Ccw@mail.gmail.com> (raw)
In-Reply-To: <5a108252-4eb8-e353-da3d-a96b8799fadf@huawei.com>
Hello,
2022년 4월 26일 (화) 오후 3:58, Miaohe Lin <linmiaohe@huawei.com>님이 작성:
>
> On 2022/4/26 10:02, ying.huang@intel.com wrote:
> > On Mon, 2022-04-25 at 14:07 -0700, Andrew Morton wrote:
> >> On Mon, 25 Apr 2022 19:12:29 +0800 Miaohe Lin <linmiaohe@huawei.com> wrote:
> >>
> >>> We should activate swap-backed executable folios (e.g. tmpfs) after first
> >>> usage so that executable code gets yet better chance to stay in memory.
Missing activation for swap-backed executable page is the intended operation.
So, I disagree with this patch until some numbers are provided.
See following discussion.
https://lore.kernel.org/all/20200316161208.GB67986@cmpxchg.org/T/#u
Thanks.
next prev parent reply other threads:[~2022-04-27 4:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-25 11:12 [PATCH v3 0/6] A few cleanup and fixup patches for vmscan Miaohe Lin
2022-04-25 11:12 ` [PATCH v3 1/6] mm/vmscan: add a comment about MADV_FREE pages check in folio_check_dirty_writeback Miaohe Lin
2022-04-25 11:12 ` [PATCH v3 2/6] mm/vmscan: introduce helper function reclaim_page_list() Miaohe Lin
2022-04-25 11:12 ` [PATCH v3 3/6] mm/vmscan: activate swap-backed executable folios after first usage Miaohe Lin
2022-04-25 21:07 ` Andrew Morton
2022-04-26 2:02 ` ying.huang
2022-04-26 6:58 ` Miaohe Lin
2022-04-27 4:08 ` Joonsoo Kim [this message]
2022-04-27 6:10 ` ying.huang
2022-04-27 6:36 ` Miaohe Lin
2022-04-25 11:12 ` [PATCH v3 4/6] mm/vmscan: take all base pages of THP into account when race with speculative reference Miaohe Lin
2022-04-25 11:12 ` [PATCH v3 5/6] mm/vmscan: remove obsolete comment in kswapd_run Miaohe Lin
2022-04-25 11:12 ` [PATCH v3 6/6] mm/vmscan: use helper folio_is_file_lru() Miaohe Lin
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