diff options
Diffstat (limited to 'drivers/staging/android/ion/ion_page_pool.c')
| -rw-r--r-- | drivers/staging/android/ion/ion_page_pool.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/staging/android/ion/ion_page_pool.c b/drivers/staging/android/ion/ion_page_pool.c index 1fe80165a462..aea89c1ec345 100644 --- a/drivers/staging/android/ion/ion_page_pool.c +++ b/drivers/staging/android/ion/ion_page_pool.c @@ -30,8 +30,9 @@ static void *ion_page_pool_alloc_pages(struct ion_page_pool *pool) if (!page) return NULL; - ion_pages_sync_for_device(NULL, page, PAGE_SIZE << pool->order, - DMA_BIDIRECTIONAL); + if (!pool->cached) + ion_pages_sync_for_device(NULL, page, PAGE_SIZE << pool->order, + DMA_BIDIRECTIONAL); return page; } @@ -114,7 +115,7 @@ static int ion_page_pool_total(struct ion_page_pool *pool, bool high) } int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t gfp_mask, - int nr_to_scan) + int nr_to_scan) { int freed = 0; bool high; @@ -147,7 +148,8 @@ int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t gfp_mask, return freed; } -struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order) +struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order, + bool cached) { struct ion_page_pool *pool = kmalloc(sizeof(*pool), GFP_KERNEL); @@ -161,6 +163,8 @@ struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order) pool->order = order; mutex_init(&pool->mutex); plist_node_init(&pool->list, order); + if (cached) + pool->cached = true; return pool; } |