From: Jason Gunthorpe <jgg@nvidia.com>
To: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Jan Kara <jack@suse.cz>,
Andrew Morton <akpm@linux-foundation.org>,
Jonathan Corbet <corbet@lwn.net>,
Matthew Wilcox <willy@infradead.org>, Guo Ren <guoren@kernel.org>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
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Vasily Gorbik <gor@linux.ibm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
"David S . Miller" <davem@davemloft.net>,
Andreas Larsson <andreas@gaisler.com>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Dan Williams <dan.j.williams@intel.com>,
Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
Nicolas Pitre <nico@fluxnic.net>,
Muchun Song <muchun.song@linux.dev>,
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Uladzislau Rezki <urezki@gmail.com>,
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Subject: Re: [PATCH 00/16] expand mmap_prepare functionality, port more users
Date: Mon, 8 Sep 2025 12:04:04 -0300 [thread overview]
Message-ID: <20250908150404.GL616306@nvidia.com> (raw)
In-Reply-To: <9b463af0-3f29-4816-bd5d-caa282b1a9cd@lucifer.local>
On Mon, Sep 08, 2025 at 03:48:36PM +0100, Lorenzo Stoakes wrote:
> But sadly some _do need_ to do extra work afterwards, most notably,
> prepopulation.
I think Jan is suggesting something more like
mmap_op()
{
struct vma_desc desc = {};
desc.[..] = x
desc.[..] = y
desc.[..] = z
vma = vma_alloc(desc);
ret = remap_pfn(vma)
if (ret) goto err_vma;
return vma_commit(vma);
err_va:
vma_dealloc(vma);
return ERR_PTR(ret);
}
Jason
next prev parent reply other threads:[~2025-09-08 15:04 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-08 11:10 [PATCH 00/16] expand mmap_prepare functionality, port more users Lorenzo Stoakes
2025-09-08 11:10 ` [PATCH 01/16] mm/shmem: update shmem to use mmap_prepare Lorenzo Stoakes
2025-09-08 14:59 ` David Hildenbrand
2025-09-08 15:28 ` Lorenzo Stoakes
2025-09-09 3:19 ` Baolin Wang
2025-09-09 9:08 ` Lorenzo Stoakes
2025-09-08 11:10 ` [PATCH 02/16] device/dax: update devdax " Lorenzo Stoakes
2025-09-08 15:03 ` David Hildenbrand
2025-09-08 15:28 ` Lorenzo Stoakes
2025-09-08 15:31 ` David Hildenbrand
2025-09-08 11:10 ` [PATCH 03/16] mm: add vma_desc_size(), vma_desc_pages() helpers Lorenzo Stoakes
2025-09-08 12:51 ` Jason Gunthorpe
2025-09-08 13:12 ` Lorenzo Stoakes
2025-09-08 13:32 ` Jason Gunthorpe
2025-09-08 14:09 ` Lorenzo Stoakes
2025-09-08 14:20 ` Jason Gunthorpe
2025-09-08 14:47 ` Lorenzo Stoakes
2025-09-08 15:07 ` David Hildenbrand
2025-09-08 15:35 ` Lorenzo Stoakes
2025-09-08 17:30 ` David Hildenbrand
2025-09-09 9:21 ` Lorenzo Stoakes
2025-09-08 15:16 ` Jason Gunthorpe
2025-09-08 15:24 ` David Hildenbrand
2025-09-08 15:33 ` Jason Gunthorpe
2025-09-08 15:46 ` David Hildenbrand
2025-09-08 15:50 ` David Hildenbrand
2025-09-08 15:56 ` Jason Gunthorpe
2025-09-08 17:36 ` David Hildenbrand
2025-09-08 20:24 ` Lorenzo Stoakes
2025-09-08 15:33 ` Lorenzo Stoakes
2025-09-08 15:10 ` David Hildenbrand
2025-09-08 11:10 ` [PATCH 04/16] relay: update relay to use mmap_prepare Lorenzo Stoakes
2025-09-08 15:15 ` David Hildenbrand
2025-09-08 15:29 ` Lorenzo Stoakes
2025-09-08 11:10 ` [PATCH 05/16] mm/vma: rename mmap internal functions to avoid confusion Lorenzo Stoakes
2025-09-08 15:19 ` David Hildenbrand
2025-09-08 15:31 ` Lorenzo Stoakes
2025-09-08 17:38 ` David Hildenbrand
2025-09-09 9:04 ` Lorenzo Stoakes
2025-09-08 11:10 ` [PATCH 06/16] mm: introduce the f_op->mmap_complete, mmap_abort hooks Lorenzo Stoakes
2025-09-08 12:55 ` Jason Gunthorpe
2025-09-08 13:19 ` Lorenzo Stoakes
2025-09-08 15:27 ` David Hildenbrand
2025-09-09 9:13 ` Lorenzo Stoakes
2025-09-09 9:26 ` David Hildenbrand
2025-09-09 9:37 ` Lorenzo Stoakes
2025-09-09 16:43 ` Suren Baghdasaryan
2025-09-09 17:36 ` Lorenzo Stoakes
2025-09-09 16:44 ` Suren Baghdasaryan
2025-09-08 11:10 ` [PATCH 07/16] doc: update porting, vfs documentation for mmap_[complete, abort] Lorenzo Stoakes
2025-09-08 23:17 ` Randy Dunlap
2025-09-09 9:02 ` Lorenzo Stoakes
2025-09-08 11:10 ` [PATCH 08/16] mm: add remap_pfn_range_prepare(), remap_pfn_range_complete() Lorenzo Stoakes
2025-09-08 13:00 ` Jason Gunthorpe
2025-09-08 13:27 ` Lorenzo Stoakes
2025-09-08 13:35 ` Jason Gunthorpe
2025-09-08 14:18 ` Lorenzo Stoakes
2025-09-08 16:03 ` Jason Gunthorpe
2025-09-08 16:07 ` Lorenzo Stoakes
2025-09-08 11:10 ` [PATCH 09/16] mm: introduce io_remap_pfn_range_prepare, complete Lorenzo Stoakes
2025-09-08 11:10 ` [PATCH 10/16] mm/hugetlb: update hugetlbfs to use mmap_prepare, mmap_complete Lorenzo Stoakes
2025-09-08 13:11 ` Jason Gunthorpe
2025-09-08 13:37 ` Lorenzo Stoakes
2025-09-08 13:52 ` Jason Gunthorpe
2025-09-08 14:19 ` Lorenzo Stoakes
2025-09-08 11:10 ` [PATCH 11/16] mm: update mem char driver " Lorenzo Stoakes
2025-09-08 11:10 ` [PATCH 12/16] mm: update resctl to use mmap_prepare, mmap_complete, mmap_abort Lorenzo Stoakes
2025-09-08 13:24 ` Jason Gunthorpe
2025-09-08 13:40 ` Lorenzo Stoakes
2025-09-08 14:27 ` Lorenzo Stoakes
2025-09-08 11:10 ` [PATCH 13/16] mm: update cramfs to use mmap_prepare, mmap_complete Lorenzo Stoakes
2025-09-08 13:27 ` Jason Gunthorpe
2025-09-08 13:44 ` Lorenzo Stoakes
2025-09-08 11:10 ` [PATCH 14/16] fs/proc: add proc_mmap_[prepare, complete] hooks for procfs Lorenzo Stoakes
2025-09-08 11:10 ` [PATCH 15/16] fs/proc: update vmcore to use .proc_mmap_[prepare, complete] Lorenzo Stoakes
2025-09-08 11:10 ` [PATCH 16/16] kcov: update kcov to use mmap_prepare, mmap_complete Lorenzo Stoakes
2025-09-08 13:30 ` Jason Gunthorpe
2025-09-08 13:47 ` Lorenzo Stoakes
2025-09-08 13:27 ` [PATCH 00/16] expand mmap_prepare functionality, port more users Jan Kara
2025-09-08 14:48 ` Lorenzo Stoakes
2025-09-08 15:04 ` Jason Gunthorpe [this message]
2025-09-08 15:15 ` Lorenzo Stoakes
2025-09-09 8:31 ` Alexander Gordeev
2025-09-09 8:59 ` Lorenzo Stoakes
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