linux-kernel - Re: [PATCH 5/6] mm, hugetlb: further simplify hugetlb allocation API

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Message-ID: <20180221185425.GK2231@dhcp22.suse.cz>
Date:   Wed, 21 Feb 2018 19:54:25 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Mike Kravetz <mike.kravetz@...cle.com>
Cc:     Dan Rue <dan.rue@...aro.org>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/6] mm, hugetlb: further simplify hugetlb allocation API

On Wed 21-02-18 09:59:40, Mike Kravetz wrote:
> On 02/21/2018 02:01 AM, Michal Hocko wrote:
> > On Wed 21-02-18 10:55:26, Michal Hocko wrote:
> > Hmm, I guess I can see it. Does the following help?
> > ---
> > diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> > index 7c204e3d132b..a963f2034dfc 100644
> > --- a/mm/hugetlb.c
> > +++ b/mm/hugetlb.c
> > @@ -1583,7 +1583,7 @@ static struct page *alloc_surplus_huge_page(struct hstate *h, gfp_t gfp_mask,
> >  		page = NULL;
> >  	} else {
> >  		h->surplus_huge_pages++;
> > -		h->nr_huge_pages_node[page_to_nid(page)]++;
> > +		h->surplus_huge_pages_node[page_to_nid(page)]++;
> >  	}
> >  
> >  out_unlock:
> 
> I thought we had this corrected in a previous version of the patch.
> My apologies for not looking more closely at this version.

I must have screwed up when rebasing. I remember I was splitting this
patch...

> FWIW,
> Reviewed-by: Mike Kravetz <mike.kravetz@...cle.com>

Thanks!
-- 
Michal Hocko
SUSE Labs