diff options
| author | Rebecca Schultz Zavin <rebecca@android.com> | 2013-12-13 14:24:11 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-14 08:55:39 -0800 |
| commit | 45b17a809fda352086b63518e32d272cc3442ed5 (patch) | |
| tree | e357a38e5e0c3041db931c3a9aef4b0679688609 /drivers/staging/android/ion/ion_priv.h | |
| parent | 0214c7f20bf4d5d2e204afaf43789f2f4782d9ae (diff) | |
gpu: ion: Use the ion_page_pool from the system heap
With this change the system heap will use pagepools to avoid
having to invalidate memory when it is allocated, a
significant performance improvement on some systems.
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
[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>
Diffstat (limited to 'drivers/staging/android/ion/ion_priv.h')
| -rw-r--r-- | drivers/staging/android/ion/ion_priv.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/staging/android/ion/ion_priv.h b/drivers/staging/android/ion/ion_priv.h index 0707733b7304..9f326345b281 100644 --- a/drivers/staging/android/ion/ion_priv.h +++ b/drivers/staging/android/ion/ion_priv.h @@ -118,6 +118,8 @@ struct ion_heap_ops { * allocating. These are specified by platform data and * MUST be unique * @name: used for debugging + * @debug_show: called when heap debug file is read to add any + * heap specific debug info to output * * Represents a pool of memory from which buffers can be made. In some * systems the only heap is regular system memory allocated via vmalloc. @@ -131,9 +133,18 @@ struct ion_heap { struct ion_heap_ops *ops; int id; const char *name; + int (*debug_show)(struct ion_heap *heap, struct seq_file *, void *); }; /** + * ion_buffer_cached - this ion buffer is cached + * @buffer: buffer + * + * indicates whether this ion buffer is cached + */ +bool ion_buffer_cached(struct ion_buffer *buffer); + +/** * ion_buffer_fault_user_mappings - fault in user mappings of this buffer * @buffer: buffer * |