linux-kernel - Re: [RFC 1/5] mm, page_alloc: clean up pageset high and batch update

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Message-ID: <20200910083459.GB2285@linux>
Date:   Thu, 10 Sep 2020 10:34:59 +0200
From:   Oscar Salvador <osalvador@...e.de>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Michal Hocko <mhocko@...nel.org>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        David Hildenbrand <david@...hat.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [RFC 1/5] mm, page_alloc: clean up pageset high and batch update

On Thu, Sep 10, 2020 at 10:31:20AM +0200, Oscar Salvador wrote:
> On Mon, Sep 07, 2020 at 06:36:24PM +0200, Vlastimil Babka wrote:
> > Signed-off-by: Vlastimil Babka <vbabka@...e.cz>
> 
> >  	for_each_possible_cpu(cpu)
> > -		setup_pageset(&per_cpu(boot_pageset, cpu), 0);
> > +		setup_pageset(&per_cpu(boot_pageset, cpu));
> 
> This is not really anything important but I realized we have like 7 functions
> messing with pcp lists, and everytime I try to follow them my head spins.
> 
> Since setup_pageset is only being called here, could we replace it by the
> pageset_init and pageset_update?
> 
> (As I said, not important and probably a matter of taste. I just think that
> having so many mini functions around is not always cool,
> e.g: setup_zone_pageset->zone_pageset_init)

Sorry, I did not see that you just did that in Patch#3, bleh.


-- 
Oscar Salvador
SUSE L3