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Message-ID: <Y+z9MSpKioRsWvKj@casper.infradead.org>
Date:   Wed, 15 Feb 2023 15:41:37 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Baolin Wang <baolin.wang@...ux.alibaba.com>
Cc:     akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
        sj@...nel.org, hannes@...xchg.org, mhocko@...nel.org,
        roman.gushchin@...ux.dev, shakeelb@...gle.com,
        muchun.song@...ux.dev, naoya.horiguchi@....com,
        linmiaohe@...wei.com, david@...hat.com, osalvador@...e.de,
        mike.kravetz@...cle.com, damon@...ts.linux.dev,
        cgroups@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/4] mm: hugetlb: change to return bool for
 isolate_hugetlb()

On Wed, Feb 15, 2023 at 06:39:36PM +0800, Baolin Wang wrote:
> Now the isolate_hugetlb() only returns 0 or -EBUSY, and most users did not
> care about the negative value, thus we can convert the isolate_hugetlb()
> to return a boolean value to make code more clear when checking the
> hugetlb isolation state. Moreover converts 2 users which will consider
> the negative value returned by isolate_hugetlb().
> 
> No functional changes intended.
> 
> Signed-off-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
> Acked-by: David Hildenbrand <david@...hat.com>

Reviewed-by: Matthew Wilcox (Oracle) <willy@...radead.org>

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