From: Peter Xu <peterx@redhat.com>
To: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Matthew Wilcox <willy@infradead.org>,
Andrea Arcangeli <aarcange@redhat.com>,
John Hubbard <jhubbard@nvidia.com>,
Mike Rapoport <rppt@kernel.org>,
David Hildenbrand <david@redhat.com>,
Vlastimil Babka <vbabka@suse.cz>,
"Kirill A . Shutemov" <kirill@shutemov.name>,
Andrew Morton <akpm@linux-foundation.org>,
Mike Kravetz <mike.kravetz@oracle.com>,
James Houghton <jthoughton@google.com>,
Hugh Dickins <hughd@google.com>
Subject: Re: [PATCH 7/7] mm/gup: Retire follow_hugetlb_page()
Date: Mon, 19 Jun 2023 15:41:20 -0400 [thread overview]
Message-ID: <ZJCvYOLhBH3H6CLT@x1n> (raw)
In-Reply-To: <c1d768b3-f573-42f1-8c11-f2e5c05f72d4@lucifer.local>
On Sat, Jun 17, 2023 at 09:40:41PM +0100, Lorenzo Stoakes wrote:
> On Tue, Jun 13, 2023 at 05:53:46PM -0400, Peter Xu wrote:
> > Now __get_user_pages() should be well prepared to handle thp completely,
> > as long as hugetlb gup requests even without the hugetlb's special path.
> >
> > Time to retire follow_hugetlb_page().
>
> Nit, but there's a couple left over references to this function in comments
> in fs/userfaultfd.c and mm/hugetlb.c.
Indeed, let me touch those too when respin.
> Absolutely wonderful to see such delightful code deletion :)
>
> I haven't really dug into the huge page side of this in great detail, so I
> can't give a meaningful tag, but I can certainly appreciate the code you're
> removing here!
Yeah, hopefully it'll make the code also cleaner. Thanks a lot,
--
Peter Xu
prev parent reply other threads:[~2023-06-19 19:41 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-13 21:53 [PATCH 0/7] mm/gup: Unify hugetlb, speed up thp Peter Xu
2023-06-13 21:53 ` [PATCH 1/7] mm/hugetlb: Handle FOLL_DUMP well in follow_page_mask() Peter Xu
2023-06-14 23:24 ` Mike Kravetz
2023-06-16 8:08 ` David Hildenbrand
2023-06-13 21:53 ` [PATCH 2/7] mm/hugetlb: Fix hugetlb_follow_page_mask() on permission checks Peter Xu
2023-06-14 15:31 ` David Hildenbrand
2023-06-14 15:46 ` Peter Xu
2023-06-14 15:57 ` David Hildenbrand
2023-06-15 0:11 ` Mike Kravetz
2023-06-13 21:53 ` [PATCH 3/7] mm/hugetlb: Add page_mask for hugetlb_follow_page_mask() Peter Xu
2023-06-15 0:17 ` Mike Kravetz
2023-06-16 8:11 ` David Hildenbrand
2023-06-19 21:43 ` Peter Xu
2023-06-20 7:01 ` David Hildenbrand
2023-06-20 14:40 ` Peter Xu
2023-06-13 21:53 ` [PATCH 4/7] mm/hugetlb: Prepare hugetlb_follow_page_mask() for FOLL_PIN Peter Xu
2023-06-14 14:57 ` David Hildenbrand
2023-06-14 15:11 ` Peter Xu
2023-06-14 15:17 ` David Hildenbrand
2023-06-14 15:31 ` Peter Xu
2023-06-14 15:47 ` David Hildenbrand
2023-06-14 15:51 ` Peter Xu
2023-06-15 0:25 ` Mike Kravetz
2023-06-15 19:42 ` Peter Xu
2023-06-13 21:53 ` [PATCH 5/7] mm/gup: Cleanup next_page handling Peter Xu
2023-06-17 19:48 ` Lorenzo Stoakes
2023-06-17 20:00 ` Lorenzo Stoakes
2023-06-19 19:18 ` Peter Xu
2023-06-13 21:53 ` [PATCH 6/7] mm/gup: Accelerate thp gup even for "pages != NULL" Peter Xu
2023-06-14 14:58 ` Matthew Wilcox
2023-06-14 15:19 ` Peter Xu
2023-06-14 15:35 ` Peter Xu
2023-06-17 20:27 ` Lorenzo Stoakes
2023-06-19 19:37 ` Peter Xu
2023-06-19 20:24 ` Peter Xu
2023-06-13 21:53 ` [PATCH 7/7] mm/gup: Retire follow_hugetlb_page() Peter Xu
2023-06-14 14:37 ` Jason Gunthorpe
2023-06-17 20:40 ` Lorenzo Stoakes
2023-06-19 19:41 ` Peter Xu [this message]
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