evie/android_kernel_oneplus_msm8998
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gpu: ion: Map only the vma size given

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When mapping carveout buffers into userspace, only map
the size of the vma given, not the full size of the buffer
since clients may map less than the buffer size.

Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
[jstultz: modified patch to apply to staging directory]
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Laura Abbott 2013-12-13 14:23:49 -08:00 • committed by Greg Kroah-Hartman
parent 2900cd7671
commit 7b903e44c4
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/android/ion/ion_carveout_heap.c
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@ -116,7 +116,7 @@ int ion_carveout_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
{
return remap_pfn_range(vma, vma->vm_start,
__phys_to_pfn(buffer->priv_phys) + vma->vm_pgoff,
buffer->size,
vma->vm_end - vma->vm_start,
pgprot_noncached(vma->vm_page_prot));
}