From: "ying.huang@intel.com" <ying.huang@intel.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Miaohe Lin <linmiaohe@huawei.com>
Cc: iamjoonsoo.kim@lge.com, hch@lst.de, osalvador@suse.de,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 3/6] mm/vmscan: activate swap-backed executable folios after first usage
Date: Tue, 26 Apr 2022 10:02:17 +0800 [thread overview]
Message-ID: <6b74e6f3799032d4f12bae0d97a453dc85d03028.camel@intel.com> (raw)
In-Reply-To: <20220425140711.0c1898862fc817135bbbc56e@linux-foundation.org>
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.
>
> Does this not erase the intended effect of Joonsoo's b518154e59a
> ("mm/vmscan: protect the workingset on anonymous LRU")?
I don't think so. This is only for executable folios (vm_flags &
VM_EXEC). The behavior for all other anonymous pages are not affected.
Best Regards,
Huang, Ying
next prev parent reply other threads:[~2022-04-26 2:02 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 [this message]
2022-04-26 6:58 ` Miaohe Lin
2022-04-27 4:08 ` Joonsoo Kim
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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