linux-kernel - Re: [PATCH v8 1/2] hugetlb: don't delete vma_lock in hugetlb MADV

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Message-ID: <Y212ENf87kLjiI6m@x1n>
Date:   Thu, 10 Nov 2022 17:07:12 -0500
From:   Peter Xu <peterx@...hat.com>
To:     Mike Kravetz <mike.kravetz@...cle.com>
Cc:     Nadav Amit <nadav.amit@...il.com>, Linux-MM <linux-mm@...ck.org>,
        kernel list <linux-kernel@...r.kernel.org>,
        Naoya Horiguchi <naoya.horiguchi@...ux.dev>,
        David Hildenbrand <david@...hat.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        Mina Almasry <almasrymina@...gle.com>,
        Rik van Riel <riel@...riel.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Matthew Wilcox <willy@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Wei Chen <harperchen1110@...il.com>, stable@...r.kernel.org
Subject: Re: [PATCH v8 1/2] hugetlb: don't delete vma_lock in hugetlb
 MADV_DONTNEED processing

On Thu, Nov 10, 2022 at 01:48:06PM -0800, Mike Kravetz wrote:
> However, Peter seems to prefer just exposing the current zap_page_range_single.  
> The issue with exposing zap_page_range_single as it is today, is that we also
> need to expose 'struct zap_details' which currently is not visible outside
> mm/memory.c.

Ah I see, that's okay to me.  Thanks,

-- 
Peter Xu