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Date:   Sat, 14 Mar 2020 09:12:45 +0800
From:   Baoquan He <>
To:     Michal Hocko <>
Subject: Re: [PATCH v3] mm/sparse.c: Use kvmalloc_node/kvfree to alloc/free
 memmap for the classic sparse

On 03/13/20 at 03:56pm, Michal Hocko wrote:
> On Thu 12-03-20 22:17:49, Baoquan He wrote:
> > This change makes populate_section_memmap()/depopulate_section_memmap
> > much simpler.
> Not only and you should make it more explicit. It also tries to allocate
> memmaps from the target numa node so this is a functional change. I
> would prefer to have that in a separate patch in case we hit some weird
> NUMA setups which would choke on memory less nodes and similar horrors.
> > Suggested-by: Michal Hocko <>
> > Signed-off-by: Baoquan He <>
> I do not see any reason this shouldn't work. Btw. did you get to test
> it?

Forget replying to this comment. Yes, I have tested it before each post.

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