linux-kernel - Re: [PATCH] mm: reuse the unshared swapcache page in do_wp

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Message-Id: <C8734D0B-B855-4323-A7DF-2D96245951B2@gmail.com>
Date:   Thu, 20 Jan 2022 09:48:52 -0800
From:   Nadav Amit <nadav.amit@...il.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     "zhangliang (AG)" <zhangliang5@...wei.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux-MM <linux-mm@...ck.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        wangzhigang17@...wei.com, Matthew Wilcox <willy@...radead.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] mm: reuse the unshared swapcache page in do_wp_page


> On Jan 20, 2022, at 6:15 AM, David Hildenbrand <david@...hat.com> wrote:
> 
> On 17.01.22 14:31, zhangliang (AG) wrote:
>> Sure, I will do that :)
> 
> I'm polishing up / testing the patches and might send something out for discussion shortly.
> Just a note that on my branch was a version with a wrong condition that should have been fixed now.
> 

Sorry for being late for the discussion.

David, does any of it regards the lru_cache_add() reference issue that I
mentioned? [1]

Seems to me that any solution should also regard this problem, or am I
missing something?

Thanks,
Nadav

[1] https://lore.kernel.org/linux-mm/0480D692-D9B2-429A-9A88-9BBA1331AC3A@gmail.com/