linux-kernel - Re: [RFC][PATCH 00/12] mm: tweak page cache migration

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Message-ID: <20201007095225.GH29020@dhcp22.suse.cz>
Date:   Wed, 7 Oct 2020 11:52:25 +0200
From:   Michal Hocko <mhocko@...e.com>
To:     Dave Hansen <dave.hansen@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, npiggin@...il.com,
        akpm@...ux-foundation.org, willy@...radead.org,
        yang.shi@...ux.alibaba.com, linux-mm@...ck.org
Subject: Re: [RFC][PATCH 00/12] mm: tweak page cache migration

Am I the only one missing patch 1-5? lore.k.o doesn't seem to link them
under this message id either.

On Tue 06-10-20 13:51:03, Dave Hansen wrote:
> First of all, I think this little slice of code is a bit
> under-documented.  Perhaps this will help clarify things.
> 
> I'm pretty confident the page_count() check in the first
> patch is right, which is why I removed it outright.  The
> xas_load() check is a bit murkier, so I just left a
> warning in for it.
> 
> Cc: Nicholas Piggin <npiggin@...il.com>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Matthew Wilcox (Oracle) <willy@...radead.org>
> Cc: Yang Shi <yang.shi@...ux.alibaba.com>
> Cc: linux-mm@...ck.org
> Cc: linux-kernel@...r.kernel.org

-- 
Michal Hocko
SUSE Labs