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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
| commit | 01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch) | |
| tree | b406c5242a088c4f59c6e4b719b783f43aca6ae9 /drivers/dma-buf/heaps/cma_heap.c | |
| parent | Adding upstream version 6.7.12. (diff) | |
| download | linux-d6208063787d081e93f32d9942baa7f9358b45f1.tar.xz linux-d6208063787d081e93f32d9942baa7f9358b45f1.zip | |
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/dma-buf/heaps/cma_heap.c')
| -rw-r--r-- | drivers/dma-buf/heaps/cma_heap.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c index ee899f8e67..4a63567e93 100644 --- a/drivers/dma-buf/heaps/cma_heap.c +++ b/drivers/dma-buf/heaps/cma_heap.c @@ -168,10 +168,7 @@ static vm_fault_t cma_heap_vm_fault(struct vm_fault *vmf) if (vmf->pgoff > buffer->pagecount) return VM_FAULT_SIGBUS; - vmf->page = buffer->pages[vmf->pgoff]; - get_page(vmf->page); - - return 0; + return vmf_insert_pfn(vma, vmf->address, page_to_pfn(buffer->pages[vmf->pgoff])); } static const struct vm_operations_struct dma_heap_vm_ops = { @@ -185,6 +182,8 @@ static int cma_heap_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma) if ((vma->vm_flags & (VM_SHARED | VM_MAYSHARE)) == 0) return -EINVAL; + vm_flags_set(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP); + vma->vm_ops = &dma_heap_vm_ops; vma->vm_private_data = buffer; |