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Date:   Wed, 13 Jan 2021 12:14:56 +0100
From:   Oscar Salvador <osalvador@suse.de>
To:     Muchun Song <songmuchun@bytedance.com>
Cc:     Michal Hocko <mhocko@suse.com>,
        Mike Kravetz <mike.kravetz@oracle.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
        Andi Kleen <ak@linux.intel.com>,
        Linux Memory Management List <linux-mm@kvack.org>,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: [External] Re: [PATCH v4 4/6] mm: hugetlb: retry dissolve page
 when hitting race
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On Wed, Jan 13, 2021 at 07:11:06PM +0800, Muchun Song wrote:
> If there is no task to be scheduled. Here is just a while loop.
> The cpu_relax is a good thing to insert into busy-wait loops,
> right?

But if the race window is that small, does it make sense?

-- 
Oscar Salvador
SUSE L3