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| author | Vivek Kasireddy <vivek.kasireddy@intel.com> | 2024-06-24 09:36:13 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-13 01:52:10 +0300 |
| commit | 7d79cd784470395539bda91bf0b3505ff5b2ab6d (patch) | |
| tree | 1472287bbddddb5cf3bb390de81b5c72ab6a7dd6 /scripts/lib/kdoc/kdoc_files.py | |
| parent | 725553d202dda60dc17a142c80fd96bdf6ca43db (diff) | |
| download | linux-7d79cd784470395539bda91bf0b3505ff5b2ab6d.tar.xz | |
udmabuf: use vmf_insert_pfn and VM_PFNMAP for handling mmap
Add VM_PFNMAP to vm_flags in the mmap handler to ensure that the mappings
would be managed without using struct page.
And, in the vm_fault handler, use vmf_insert_pfn to share the page's pfn
to userspace instead of directly sharing the page (via struct page *).
Link: https://lkml.kernel.org/r/20240624063952.1572359-6-vivek.kasireddy@intel.com
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Suggested-by: David Hildenbrand <david@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Hugh Dickins <hughd@google.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Dongwon Kim <dongwon.kim@intel.com>
Cc: Junxiao Chang <junxiao.chang@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'scripts/lib/kdoc/kdoc_files.py')
0 files changed, 0 insertions, 0 deletions