From: Jason Gunthorpe <jgg@ziepe•ca>
To: Hugh Dickins <hughd@google•com>
Cc: Miaohe Lin <linmiaohe@huawei•com>,
David Hildenbrand <david@redhat•com>,
Peter Zijlstra <peterz@infradead•org>,
Yang Shi <shy828301@gmail•com>, Peter Xu <peterx@redhat•com>,
Song Liu <song@kernel•org>,
sparclinux@vger•kernel.org,
Alexander Gordeev <agordeev@linux•ibm.com>,
Claudio Imbrenda <imbrenda@linux•ibm.com>,
Will Deacon <will@kernel•org>,
linux-s390@vger•kernel.org, Yu Zhao <yuzhao@google•com>,
Ira Weiny <ira.weiny@intel•com>,
Alistair Popple <apopple@nvidia•com>,
Russell King <linux@armlinux•org.uk>,
Matthew Wilcox <willy@infradead•org>,
Steven Price <steven.price@arm•com>,
Christoph Hellwig <hch@infradead•org>,
"Aneesh Kumar K.V" <aneesh.kumar@linux•ibm.com>,
Axel Rasmussen <axelrasmussen@google•com>,
Christian Borntraeger <borntraeger@linux•ibm.com>,
Thomas Hellstrom <thomas.hellstrom@linux•intel.com>,
Ralph Campbell <rcampbell@nvidia•com>,
Pasha Tatashin <pasha.tatashin@soleen•com>,
Anshuman Khandual <anshuman.khandual@arm•com>,
Heiko Carstens <hca@linux•ibm.com>,
Qi Z heng <zhengqi.arch@bytedance•com>,
Suren Baghdasaryan <surenb@google•com>,
linux-arm-kernel@lists•infradead.org,
SeongJae Park <sj@kernel•org>, Jann Horn <jannh@google•com>,
linux-mm@kvack•org, linuxppc-dev@lists•ozlabs.org,
"Kirill A. Shutemov" <kirill.shutemov@linux•intel.com>,
Naoya Horiguchi <naoya.horiguchi@nec•com>,
linux-kernel@vger•kernel.org, Minchan Kim <minchan@kernel•org>,
Mike Rapoport <rppt@kernel•org>,
Andrew Morton <akpm@linux-foundation•org>,
Mel Gorman <mgorman@techsingularity•net>,
"David S. Miller" <davem@davemloft•net>,
Zack Rusin <zackr@vmware•com>,
Mike Kravetz <mike.kravetz@oracle•com>
Subject: Re: [PATCH 08/12] mm/pgtable: add pte_free_defer() for pgtable as page
Date: Fri, 2 Jun 2023 09:15:02 -0300 [thread overview]
Message-ID: <ZHndRujtRhT6bhBs@ziepe.ca> (raw)
In-Reply-To: <a7f4722-8af2-f7be-eada-ff1e6e918da1@google.com>
On Thu, Jun 01, 2023 at 11:03:11PM -0700, Hugh Dickins wrote:
> > I was hoping Mathew's folio conversion would help clarify this..
>
> I doubt that: what we have for use today is pages, however they are
> dressed up.
I mean the part where Matthew is going and splitting the types and
making it much clearer and type safe how the memory is layed out. eg
no more guessing if the arch code is overlaying something else onto
the rcu_head.
Then the hope against hope is that after doing all this we can find
enough space for everything including the rcu heads..
Jason
next prev parent reply other threads:[~2023-06-02 12:16 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-29 6:11 [PATCH 00/12] mm: free retracted page table by RCU Hugh Dickins
2023-05-29 6:14 ` [PATCH 01/12] mm/pgtable: add rcu_read_lock() and rcu_read_unlock()s Hugh Dickins
2023-05-31 17:06 ` Jann Horn
2023-06-02 2:50 ` Hugh Dickins
2023-06-02 14:21 ` Jann Horn
2023-05-29 6:16 ` [PATCH 02/12] mm/pgtable: add PAE safety to __pte_offset_map() Hugh Dickins
2023-05-29 13:56 ` Matthew Wilcox
[not found] ` <ZHeg3oRljRn6wlLX@ziepe.ca>
2023-06-02 5:35 ` Hugh Dickins
2023-05-29 6:17 ` [PATCH 03/12] arm: adjust_pte() use pte_offset_map_nolock() Hugh Dickins
2023-05-29 6:18 ` [PATCH 04/12] powerpc: assert_pte_locked() " Hugh Dickins
2023-05-29 6:20 ` [PATCH 05/12] powerpc: add pte_free_defer() for pgtables sharing page Hugh Dickins
2023-05-29 14:02 ` Matthew Wilcox
2023-05-29 14:36 ` Hugh Dickins
2023-06-01 13:57 ` Gerald Schaefer
2023-06-02 6:38 ` Hugh Dickins
2023-06-02 14:20 ` Jason Gunthorpe
2023-06-06 3:40 ` Hugh Dickins
2023-06-06 18:23 ` Jason Gunthorpe
2023-06-06 19:03 ` Peter Xu
2023-06-06 19:08 ` Jason Gunthorpe
2023-06-07 3:49 ` Hugh Dickins
2023-05-29 6:21 ` [PATCH 06/12] sparc: " Hugh Dickins
2023-06-06 3:46 ` Hugh Dickins
2023-05-29 6:22 ` [PATCH 07/12] s390: add pte_free_defer(), with use of mmdrop_async() Hugh Dickins
2023-06-06 5:11 ` Hugh Dickins
2023-06-06 18:39 ` Jason Gunthorpe
2023-06-08 2:46 ` Hugh Dickins
2023-06-06 19:40 ` Gerald Schaefer
2023-06-08 3:35 ` Hugh Dickins
2023-06-08 13:58 ` Jason Gunthorpe
2023-06-08 15:47 ` Gerald Schaefer
2023-05-29 6:23 ` [PATCH 08/12] mm/pgtable: add pte_free_defer() for pgtable as page Hugh Dickins
2023-06-01 13:31 ` Jann Horn
[not found] ` <ZHekpAKJ05cr/GLl@ziepe.ca>
2023-06-02 6:03 ` Hugh Dickins
2023-06-02 12:15 ` Jason Gunthorpe [this message]
2023-05-29 6:25 ` [PATCH 09/12] mm/khugepaged: retract_page_tables() without mmap or vma lock Hugh Dickins
2023-05-29 23:26 ` Peter Xu
2023-05-31 0:38 ` Hugh Dickins
2023-05-31 15:34 ` Jann Horn
[not found] ` <ZHe0A079X9B8jWlH@x1n>
2023-05-31 22:18 ` Jann Horn
2023-06-01 14:06 ` Jason Gunthorpe
2023-06-06 6:18 ` Hugh Dickins
2023-05-29 6:26 ` [PATCH 10/12] mm/khugepaged: collapse_pte_mapped_thp() with mmap_read_lock() Hugh Dickins
2023-05-31 17:25 ` Jann Horn
2023-06-02 5:11 ` Hugh Dickins
2023-05-29 6:28 ` [PATCH 11/12] mm/khugepaged: delete khugepaged_collapse_pte_mapped_thps() Hugh Dickins
2023-05-29 6:30 ` [PATCH 12/12] mm: delete mmap_write_trylock() and vma_try_start_write() Hugh Dickins
[not found] ` <CAG48ez0pCqfRdVSnJz7EKtNvMR65=zJgVB-72nTdrNuhtJNX2Q@mail.gmail.com>
2023-06-02 4:37 ` [PATCH 00/12] mm: free retracted page table by RCU Hugh Dickins
2023-06-02 15:26 ` Jann Horn
2023-06-06 6:28 ` Hugh Dickins
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