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Date:   Wed, 30 Sep 2020 12:33:36 +0200
From:   Oscar Salvador <osalvador@suse.de>
To:     Anshuman Khandual <anshuman.khandual@arm.com>
Cc:     linux-mm@kvack.org, Daniel Jordan <daniel.m.jordan@oracle.com>,
        Zi Yan <ziy@nvidia.com>, John Hubbard <jhubbard@nvidia.com>,
        Mike Kravetz <mike.kravetz@oracle.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-kernel@vger.kernel.org
Subject: Re: [RFC V2] mm/vmstat: Add events for HugeTLB migration
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On Wed, Sep 30, 2020 at 03:32:10PM +0530, Anshuman Khandual wrote:
> Right, it would be simple. But as Mike had mentioned before PageHuge()
> check is more expensive than PageTransHuge(). This proposal just tries
> not to call PageHuge() unless the page first clears PageTransHuge(),
> saving some potential CPU cycles on normal pages.

Ah, I remember now.
I missed that, sorry.

-- 
Oscar Salvador
SUSE L3