linux-kernel - Re: [PATCH v1 4/4] mm/mmu_gather: Store and process pages in contig ranges

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Message-ID: <f2c2f084-697a-47f0-9a04-faec495eb362@arm.com>
Date:   Tue, 29 Aug 2023 16:59:17 +0100
From:   Ryan Roberts <ryan.roberts@....com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Will Deacon <will@...nel.org>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nick Piggin <npiggin@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Arnd Bergmann <arnd@...db.de>,
        David Hildenbrand <david@...hat.com>,
        Yu Zhao <yuzhao@...gle.com>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Yin Fengwei <fengwei.yin@...el.com>,
        Yang Shi <shy828301@...il.com>,
        "Huang, Ying" <ying.huang@...el.com>, Zi Yan <ziy@...dia.com>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 4/4] mm/mmu_gather: Store and process pages in contig
 ranges

On 29/08/2023 15:24, Matthew Wilcox wrote:
> On Tue, Aug 29, 2023 at 03:19:29PM +0100, Matthew Wilcox wrote:
>>>> You'll be glad to know I've factored out a nice little helper for that.
>>>
>>> OK, what's it called? This is just copied from release_pages() at the moment.
>>> Happy to use your helper in the refactored common helper.
>>
>> I'll send out those patches today.
> 
> No, wait, I sent them on Friday.
> 
> https://lore.kernel.org/linux-mm/20230825135918.4164671-9-willy@infradead.org/
> 
> is the important one from your point of view.  It's
> __page_cache_release() which is a little different from the current
> __page_cache_release()

Thanks! Given your series is marked RFC, I won't take the dependency for now;
I'd rather keep my series independent for review. We can race to mm-unstable and
I guess the loser gets to do the merge. ;-)