From: 周建辉 <jianhuizzzzz@gmail.com>
To: Peter Xu <peterx@redhat.com>
Cc: Muchun Song <muchun.song@linux.dev>,
Oscar Salvador <osalvador@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
Mike Rapoport <rppt@kernel.org>,
David Hildenbrand <david@kernel.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Mike Kravetz <mike.kravetz@oracle.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Jonas Zhou <jonaszhou@zhaoxin.com>,
syzbot+f525fd79634858f478e7@syzkaller.appspotmail.com,
stable@vger.kernel.org
Subject: Re: [PATCH] mm/userfaultfd: fix hugetlb fault mutex hash calculation
Date: Sat, 7 Mar 2026 21:37:44 +0800 [thread overview]
Message-ID: <CAEgWzV6KLtd+05Q=YGJXWSyKF+UJvyAXk1dhq_a7s4M3h0U5zQ@mail.gmail.com> (raw)
In-Reply-To: <aasGkA4r56pLqNC3@x1.local>
On Thu, Mar 06, 2026 at 04:53:00PM +0000, Peter Xu wrote:
> IIUC we don't need this; the userfaultfd.c reference should only happen
> when CONFIG_HUGETLB_PAGE. Please double check.
You are right. mfill_atomic_hugetlb() is guarded by
#ifdef CONFIG_HUGETLB_PAGE in mm/userfaultfd.c, so the stub under
!CONFIG_HUGETLB_PAGE is not needed. I will remove it in v2.
Thanks for the review!
next prev parent reply other threads:[~2026-03-07 13:37 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-06 14:03 [PATCH] mm/userfaultfd: fix hugetlb fault mutex hash calculation Jianhui Zhou
2026-03-06 16:53 ` Peter Xu
2026-03-07 13:37 ` 周建辉 [this message]
2026-03-07 13:59 ` Jianhui Zhou
2026-03-07 3:27 ` SeongJae Park
2026-03-08 13:41 ` Jianhui Zhou
2026-03-08 22:57 ` SeongJae Park
2026-03-07 14:35 ` [PATCH v2] " Jianhui Zhou
2026-03-09 2:08 ` Hugh Dickins
2026-03-09 3:08 ` Jianhui Zhou
2026-03-09 16:47 ` David Hildenbrand (Arm)
2026-03-10 10:24 ` Jianhui Zhou
2026-03-09 3:30 ` [PATCH v3] " Jianhui Zhou
2026-03-10 11:05 ` [PATCH v4] " Jianhui Zhou
2026-03-10 19:47 ` jane.chu
2026-03-11 10:54 ` Jianhui Zhou
2026-03-25 0:03 ` Andrew Morton
2026-03-25 1:06 ` SeongJae Park
2026-03-25 6:07 ` Jianhui Zhou
2026-03-25 8:49 ` David Hildenbrand (Arm)
2026-03-25 19:08 ` Mike Rapoport
2026-03-25 8:49 ` David Hildenbrand (Arm)
2026-03-25 19:02 ` Mike Rapoport
2026-03-25 23:46 ` jane.chu
2026-03-26 9:18 ` David Hildenbrand (Arm)
2026-03-25 19:10 ` Mike Rapoport
-- strict thread matches above, loose matches on Subject: below --
2026-03-06 13:59 [PATCH] " Jianhui Zhou
2026-03-06 13:51 Jianhui Zhou
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