From: Peter Xu <peterx@redhat.com>
To: Mike Kravetz <mike.kravetz@oracle.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-ia64@vger.kernel.org,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
David Hildenbrand <david@redhat.com>,
"Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>,
Naoya Horiguchi <naoya.horiguchi@linux.dev>,
Michael Ellerman <mpe@ellerman.id.au>,
Muchun Song <songmuchun@bytedance.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v4] hugetlb: simplify hugetlb handling in follow_page_mask
Date: Fri, 28 Oct 2022 23:24:18 +0000 [thread overview]
Message-ID: <Y1xkonJ2DkQQbAaT@x1n> (raw)
In-Reply-To: <20221028181108.119432-1-mike.kravetz@oracle.com>
On Fri, Oct 28, 2022 at 11:11:08AM -0700, Mike Kravetz wrote:
> v4 - Remove vma (pmd sharing) locking as this can be called with
> FOLL_NOWAIT. Peter
Thanks, Mike. For the gup safety on pmd unshare, I'll prepare a few small
patches and post hopefully early next week (will be off-work on Mon & Tue,
but maybe I'll still try).
--
Peter Xu
WARNING: multiple messages have this Message-ID (diff)
From: Peter Xu <peterx@redhat.com>
To: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Naoya Horiguchi <naoya.horiguchi@linux.dev>,
linux-ia64@vger.kernel.org, David Hildenbrand <david@redhat.com>,
"Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>,
Muchun Song <songmuchun@bytedance.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Andrew Morton <akpm@linux-foundation.org>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v4] hugetlb: simplify hugetlb handling in follow_page_mask
Date: Fri, 28 Oct 2022 19:24:18 -0400 [thread overview]
Message-ID: <Y1xkonJ2DkQQbAaT@x1n> (raw)
In-Reply-To: <20221028181108.119432-1-mike.kravetz@oracle.com>
On Fri, Oct 28, 2022 at 11:11:08AM -0700, Mike Kravetz wrote:
> v4 - Remove vma (pmd sharing) locking as this can be called with
> FOLL_NOWAIT. Peter
Thanks, Mike. For the gup safety on pmd unshare, I'll prepare a few small
patches and post hopefully early next week (will be off-work on Mon & Tue,
but maybe I'll still try).
--
Peter Xu
WARNING: multiple messages have this Message-ID (diff)
From: Peter Xu <peterx@redhat.com>
To: Mike Kravetz <mike.kravetz@oracle.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-ia64@vger.kernel.org,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
David Hildenbrand <david@redhat.com>,
"Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>,
Naoya Horiguchi <naoya.horiguchi@linux.dev>,
Michael Ellerman <mpe@ellerman.id.au>,
Muchun Song <songmuchun@bytedance.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v4] hugetlb: simplify hugetlb handling in follow_page_mask
Date: Fri, 28 Oct 2022 19:24:18 -0400 [thread overview]
Message-ID: <Y1xkonJ2DkQQbAaT@x1n> (raw)
In-Reply-To: <20221028181108.119432-1-mike.kravetz@oracle.com>
On Fri, Oct 28, 2022 at 11:11:08AM -0700, Mike Kravetz wrote:
> v4 - Remove vma (pmd sharing) locking as this can be called with
> FOLL_NOWAIT. Peter
Thanks, Mike. For the gup safety on pmd unshare, I'll prepare a few small
patches and post hopefully early next week (will be off-work on Mon & Tue,
but maybe I'll still try).
--
Peter Xu
next prev parent reply other threads:[~2022-10-28 23:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-28 18:11 [PATCH v4] hugetlb: simplify hugetlb handling in follow_page_mask Mike Kravetz
2022-10-28 18:11 ` Mike Kravetz
2022-10-28 18:11 ` Mike Kravetz
2022-10-28 23:24 ` Peter Xu [this message]
2022-10-28 23:24 ` Peter Xu
2022-10-28 23:24 ` Peter Xu
2022-10-30 19:45 ` Peter Xu
2022-10-30 19:45 ` Peter Xu
2022-10-30 19:45 ` Peter Xu
2022-10-30 22:54 ` Mike Kravetz
2022-10-30 23:00 ` Mike Kravetz
2022-10-30 23:00 ` Mike Kravetz
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