From: Jason Gunthorpe <jgg@nvidia.com>
To: Steve Sistare <steven.sistare@oracle.com>
Cc: iommu@lists.linux.dev, Kevin Tian <kevin.tian@intel.com>,
Nicolin Chen <nicolinc@nvidia.com>
Subject: Re: [PATCH V3 1/9] mm/gup: folio_add_pins
Date: Wed, 16 Oct 2024 09:17:18 -0300 [thread overview]
Message-ID: <20241016121718.GD3559746@nvidia.com> (raw)
In-Reply-To: <1728067700-32092-2-git-send-email-steven.sistare@oracle.com>
On Fri, Oct 04, 2024 at 11:48:12AM -0700, Steve Sistare wrote:
> Export a function that adds pins to an already-pinned huge-page folio.
> This allows any range of small pages within the folio to be unpinned later.
> For example, pages pinned via memfd_pin_folios and modified by
> folio_add_pins could be unpinned via unpin_user_page(s).
>
> Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
> Suggested-by: David Hildenbrand <david@redhat.com>
> Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
> ---
> include/linux/mm.h | 1 +
> mm/gup.c | 24 ++++++++++++++++++++++++
> 2 files changed, 25 insertions(+)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
next prev parent reply other threads:[~2024-10-16 12:17 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-04 18:48 [PATCH V3 0/9] iommu_ioas_map_file Steve Sistare
2024-10-04 18:48 ` [PATCH V3 1/9] mm/gup: folio_add_pins Steve Sistare
2024-10-04 18:52 ` Steven Sistare
2024-10-04 20:20 ` David Hildenbrand
2024-10-16 12:17 ` Jason Gunthorpe [this message]
2024-10-04 18:48 ` [PATCH V3 2/9] iommufd: rename uptr in iopt_alloc_iova Steve Sistare
2024-10-04 18:48 ` [PATCH V3 3/9] iommufd: generalize iopt_pages address Steve Sistare
2024-10-04 18:48 ` [PATCH V3 4/9] iommufd: pfn reader for file mappings Steve Sistare
2024-10-16 12:37 ` Jason Gunthorpe
2024-10-17 17:01 ` Steven Sistare
2024-10-17 19:20 ` Jason Gunthorpe
2024-10-04 18:48 ` [PATCH V3 5/9] iommufd: IOMMU_IOAS_MAP_FILE Steve Sistare
2024-10-16 12:41 ` Jason Gunthorpe
2024-10-17 17:00 ` Steven Sistare
2024-10-17 19:20 ` Jason Gunthorpe
2024-10-04 18:48 ` [PATCH V3 6/9] iommufd: file mappings for mdev Steve Sistare
2024-10-04 18:48 ` [PATCH V3 7/9] iommufd: pfn reader local variables Steve Sistare
2024-10-16 12:42 ` Jason Gunthorpe
2024-10-04 18:48 ` [PATCH V3 8/9] iommufd: optimize file mapping Steve Sistare
2024-10-16 13:00 ` Jason Gunthorpe
2024-10-16 13:09 ` Steven Sistare
2024-10-16 13:21 ` Jason Gunthorpe
2024-10-17 17:02 ` Steven Sistare
2024-10-17 19:24 ` Jason Gunthorpe
2024-10-17 19:37 ` Steven Sistare
2024-10-18 0:10 ` Jason Gunthorpe
2024-10-18 14:34 ` Steven Sistare
2024-10-18 16:04 ` Jason Gunthorpe
2024-10-18 17:54 ` Steven Sistare
2024-10-18 17:59 ` Jason Gunthorpe
2024-10-18 18:10 ` Steven Sistare
2024-10-18 23:10 ` Jason Gunthorpe
2024-10-21 14:06 ` Steven Sistare
2024-10-21 14:29 ` Steven Sistare
2024-10-21 16:11 ` Jason Gunthorpe
2024-10-21 17:29 ` Steven Sistare
2024-10-21 16:10 ` Jason Gunthorpe
2024-10-04 18:48 ` [PATCH V3 9/9] iommufd: map file selftest Steve Sistare
2024-10-16 12:23 ` [PATCH V3 0/9] iommu_ioas_map_file Jason Gunthorpe
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