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Date:   Tue, 28 Jul 2020 13:56:02 +0300
From:   Mike Rapoport <rppt@kernel.org>
To:     Ingo Molnar <mingo@kernel.org>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Andy Lutomirski <luto@kernel.org>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Borislav Petkov <bp@alien8.de>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Christoph Hellwig <hch@lst.de>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Ingo Molnar <mingo@redhat.com>,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        Max Filippov <jcmvbkbc@gmail.com>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Michal Simek <monstr@monstr.eu>,
        Mike Rapoport <rppt@linux.ibm.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Paul Mackerras <paulus@samba.org>,
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Subject: Re: [PATCH 14/15] x86/numa: remove redundant iteration over
 memblock.reserved
Message-ID: <20200728105602.GB3655207@kernel.org>
References: <20200728051153.1590-1-rppt@kernel.org>
 <20200728051153.1590-15-rppt@kernel.org>
 <20200728104440.GA222284@gmail.com>
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On Tue, Jul 28, 2020 at 12:44:40PM +0200, Ingo Molnar wrote:
> 
> * Mike Rapoport <rppt@kernel.org> wrote:
> 
> > From: Mike Rapoport <rppt@linux.ibm.com>
> > 
> > numa_clear_kernel_node_hotplug() function first traverses numa_meminfo
> > regions to set node ID in memblock.reserved and than traverses
> > memblock.reserved to update reserved_nodemask to include node IDs that were
> > set in the first loop.
> > 
> > Remove redundant traversal over memblock.reserved and update
> > reserved_nodemask while iterating over numa_meminfo.
> > 
> > Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
> > ---
> >  arch/x86/mm/numa.c | 26 ++++++++++----------------
> >  1 file changed, 10 insertions(+), 16 deletions(-)
> 
> I suspect you'd like to carry this in the -mm tree?

Yes.
 
> Acked-by: Ingo Molnar <mingo@kernel.org>

Thanks!

> Thanks,
> 
> 	Ingo

-- 
Sincerely yours,
Mike.