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Diffstat (limited to 'include/net/page_pool.h')
-rw-r--r--include/net/page_pool.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/net/page_pool.h b/include/net/page_pool.h
index 42e6997e637d..a4082406a003 100644
--- a/include/net/page_pool.h
+++ b/include/net/page_pool.h
@@ -91,6 +91,9 @@ struct page_pool {
unsigned long defer_warn;
u32 pages_state_hold_cnt;
+ unsigned int frag_offset;
+ struct page *frag_page;
+ long frag_users;
/*
* Data structure for allocation side
@@ -140,6 +143,18 @@ static inline struct page *page_pool_dev_alloc_pages(struct page_pool *pool)
return page_pool_alloc_pages(pool, gfp);
}
+struct page *page_pool_alloc_frag(struct page_pool *pool, unsigned int *offset,
+ unsigned int size, gfp_t gfp);
+
+static inline struct page *page_pool_dev_alloc_frag(struct page_pool *pool,
+ unsigned int *offset,
+ unsigned int size)
+{
+ gfp_t gfp = (GFP_ATOMIC | __GFP_NOWARN);
+
+ return page_pool_alloc_frag(pool, offset, size, gfp);
+}
+
/* get the stored dma direction. A driver might decide to treat this locally and
* avoid the extra cache line from page_pool to determine the direction
*/