diff options
| author | Colin Cross <ccross@android.com> | 2013-11-27 15:51:02 -0800 |
|---|---|---|
| committer | Colin Cross <ccross@android.com> | 2013-12-12 15:27:14 -0800 |
| commit | 049ca90450f8de6bff6c326d6c20ba2959db2e00 (patch) | |
| tree | 8a158adb245333b03a901ed3cba4d78537d61022 /drivers/staging/android/ion/ion_priv.h | |
| parent | 1ebba641fb19e38541e30666de8f26b7971949dc (diff) | |
ion: add helper to zero contiguous region of pages
Add ion_heap_pages_zero for ion heaps to use to zero pages
during initialization or allocation, when a struct ion_buffer
may not be available. Use it from the chunk heap and carveout
heaps.
Change-Id: Ic6c921943a8820cf9896da5164f2d9794d0fe91f
Signed-off-by: Colin Cross <ccross@android.com>
Diffstat (limited to 'drivers/staging/android/ion/ion_priv.h')
| -rw-r--r-- | drivers/staging/android/ion/ion_priv.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/staging/android/ion/ion_priv.h b/drivers/staging/android/ion/ion_priv.h index 399ec692921..5b59f58f4b8 100644 --- a/drivers/staging/android/ion/ion_priv.h +++ b/drivers/staging/android/ion/ion_priv.h @@ -215,6 +215,7 @@ void ion_heap_unmap_kernel(struct ion_heap *, struct ion_buffer *); int ion_heap_map_user(struct ion_heap *, struct ion_buffer *, struct vm_area_struct *); int ion_heap_buffer_zero(struct ion_buffer *buffer); +int ion_heap_pages_zero(struct page *page, size_t size, pgprot_t pgprot); /** * ion_heap_init_deferred_free -- initialize deferred free functionality |