From: Shakeel Butt <shakeelb@google.com>
To: Hugh Dickins <hughd@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Matthew Wilcox <willy@infradead.org>,
David Hildenbrand <david@redhat.com>,
Vlastimil Babka <vbabka@suse.cz>, Peter Xu <peterx@redhat.com>,
Yang Shi <shy828301@gmail.com>,
John Hubbard <jhubbard@nvidia.com>,
Mike Kravetz <mike.kravetz@oracle.com>,
Sidhartha Kumar <sidhartha.kumar@oracle.com>,
Muchun Song <songmuchun@bytedance.com>,
Miaohe Lin <linmiaohe@huawei.com>,
Naoya Horiguchi <naoya.horiguchi@linux.dev>,
Mina Almasry <almasrymina@google.com>,
James Houghton <jthoughton@google.com>,
"Zach O'Keefe" <zokeefe@google.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 0/3] mm,thp,rmap: rework the use of subpages_mapcount
Date: Mon, 21 Nov 2022 16:59:38 +0000 [thread overview]
Message-ID: <20221121165938.oid3pemsfkaeq3ws@google.com> (raw)
In-Reply-To: <c4b8485b-1f26-1a5f-bdf-c6c22611f610@google.com>
On Fri, Nov 18, 2022 at 01:08:13AM -0800, Hugh Dickins wrote:
> Linus was underwhelmed by the earlier compound mapcounts series:
> this series builds on top of it (as in next-20221117) to follow
> up on his suggestions - except rmap.c still using lock_page_memcg(),
> since I hesitate to steal the pleasure of deletion from Johannes.
>
Is there a plan to remove lock_page_memcg() altogether which I missed? I
am planning to make lock_page_memcg() a nop for cgroup-v2 (as it shows
up in the perf profile on exit path) but if we are removing it then I
should just wait.
next prev parent reply other threads:[~2022-11-21 16:59 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-03 1:44 [PATCH 0/3] mm,huge,rmap: unify and speed up compound mapcounts Hugh Dickins
2022-11-03 1:48 ` [PATCH 1/3] mm,hugetlb: use folio fields in second tail page Hugh Dickins
2022-11-03 21:18 ` Sidhartha Kumar
2022-11-04 4:29 ` Hugh Dickins
2022-11-10 0:11 ` Sidhartha Kumar
2022-11-10 2:10 ` Hugh Dickins
2022-11-10 2:13 ` [PATCH 1/3 fix] mm,hugetlb: use folio fields in second tail page: fix Hugh Dickins
2022-11-05 19:13 ` [PATCH 1/3] mm,hugetlb: use folio fields in second tail page Kirill A. Shutemov
2022-11-10 1:58 ` Hugh Dickins
2022-11-03 1:51 ` [PATCH 2/3] mm,thp,rmap: simplify compound page mapcount handling Hugh Dickins
2022-11-05 19:51 ` Kirill A. Shutemov
2022-11-10 2:49 ` Hugh Dickins
2022-11-03 1:53 ` [PATCH 3/3] mm,thp,rmap: lock_compound_mapcounts() on THP mapcounts Hugh Dickins
2022-11-05 20:06 ` Kirill A. Shutemov
2022-11-10 3:31 ` Hugh Dickins
2022-11-10 2:18 ` [PATCH 4/3] mm,thp,rmap: handle the normal !PageCompound case first Hugh Dickins
2022-11-10 3:23 ` Linus Torvalds
2022-11-10 4:21 ` Hugh Dickins
2022-11-10 16:31 ` Matthew Wilcox
2022-11-10 16:58 ` Linus Torvalds
2022-11-18 9:08 ` [PATCH 0/3] mm,thp,rmap: rework the use of subpages_mapcount Hugh Dickins
2022-11-18 9:12 ` [PATCH 1/3] mm,thp,rmap: subpages_mapcount of PTE-mapped subpages Hugh Dickins
2022-11-19 0:12 ` Yu Zhao
2022-11-19 0:37 ` Hugh Dickins
2022-11-19 1:35 ` [PATCH 1/3 fix] mm,thp,rmap: subpages_mapcount of PTE-mapped subpages: fix Hugh Dickins
2022-11-21 12:38 ` Kirill A. Shutemov
2022-11-22 9:13 ` Hugh Dickins
2022-11-21 12:36 ` [PATCH 1/3] mm,thp,rmap: subpages_mapcount of PTE-mapped subpages Kirill A. Shutemov
2022-11-22 9:03 ` Hugh Dickins
2022-11-18 9:14 ` [PATCH 2/3] mm,thp,rmap: subpages_mapcount COMPOUND_MAPPED if PMD-mapped Hugh Dickins
2022-11-21 13:09 ` Kirill A. Shutemov
2022-11-22 9:33 ` Hugh Dickins
2022-11-18 9:16 ` [PATCH 3/3] mm,thp,rmap: clean up the end of __split_huge_pmd_locked() Hugh Dickins
2022-11-21 13:24 ` Kirill A. Shutemov
2022-11-18 20:18 ` [PATCH 0/3] mm,thp,rmap: rework the use of subpages_mapcount Linus Torvalds
2022-11-18 20:42 ` Johannes Weiner
2022-11-18 20:51 ` Hugh Dickins
2022-11-18 22:03 ` Andrew Morton
2022-11-18 22:07 ` Linus Torvalds
2022-11-18 22:10 ` Hugh Dickins
2022-11-18 22:23 ` Andrew Morton
2022-11-21 16:59 ` Shakeel Butt [this message]
2022-11-21 17:16 ` Linus Torvalds
2022-11-22 16:27 ` Shakeel Butt
2022-11-21 18:52 ` Johannes Weiner
2022-11-22 1:32 ` Hugh Dickins
2022-11-22 5:57 ` Matthew Wilcox
2022-11-22 6:55 ` Johannes Weiner
2022-11-22 16:30 ` Shakeel Butt
2022-11-22 9:38 ` [PATCH v2 " Hugh Dickins
2022-11-22 9:42 ` [PATCH v2 1/3] mm,thp,rmap: subpages_mapcount of PTE-mapped subpages Hugh Dickins
2022-11-22 9:49 ` [PATCH v2 2/3] mm,thp,rmap: subpages_mapcount COMPOUND_MAPPED if PMD-mapped Hugh Dickins
2022-11-22 9:51 ` [PATCH v2 3/3] mm,thp,rmap: clean up the end of __split_huge_pmd_locked() Hugh Dickins
2022-12-05 1:38 ` Hugh Dickins
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