linux-kernel - Re: [PATCH 0/8] Cleanup and optimization patches for percpu

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Date:   Tue, 8 Nov 2022 17:14:19 +0800
From:   Baoquan He <bhe@...hat.com>
To:     Dennis Zhou <dennis@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Tejun Heo <tj@...nel.org>,
        Christoph Lameter <cl@...ux.com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org
Subject: Re: [PATCH 0/8] Cleanup and optimization patches for percpu

On 11/07/22 at 11:05pm, Dennis Zhou wrote:
> Hello Baoquan,
> 
> On Mon, Oct 24, 2022 at 04:14:27PM +0800, Baoquan He wrote:
> > These were found out when reading percpu code, and queued in my local
> > branch for long time. Send them out for reviewing.
> > 
> > Baoquan He (8):
> >   mm/percpu: remove unused pcpu_map_extend_chunks
> >   mm/percpu: use list_first_entry_or_null in pcpu_reclaim_populated()
> >   mm/percpu: Update the code comment when creating new chunk
> >   mm/percpu: add comment to state the empty populated pages accounting
> >   mm/percpu: replace the goto with break
> >   mm/percpu.c: remove the lcm code since block size is fixed at page
> >     size
> >   mm/percpu: remove unused PERCPU_DYNAMIC_EARLY_SLOTS
> >   mm/slub, percpu: correct the calculation of early percpu allocation
> >     size
> > 
> >  include/linux/percpu.h |  7 +++----
> >  mm/percpu.c            | 44 +++++++++++++++++-------------------------
> >  mm/slub.c              |  3 ++-
> >  3 files changed, 23 insertions(+), 31 deletions(-)
> > 
> > -- 
> > 2.34.1
> > 
> > 
> 
> I've applied patches 1-7 to for-6.2.

Thanks a lot.