linux-master/lib/xarray.c

283  * @gfp: Memory allocation flags.
298 bool xas_nomem(struct xa_state *xas, gfp_t gfp)
305 		gfp |= __GFP_ACCOUNT;
306 	xas->xa_alloc = kmem_cache_alloc_lru(radix_tree_node_cachep, xas->xa_lru, gfp);
319  * @gfp: Memory allocation flags.
325 static bool __xas_nomem(struct xa_state *xas, gfp_t gfp)
335 		gfp |= __GFP_ACCOUNT;
336 	if (gfpflags_allow_blocking(gfp)) {
338 		xas->xa_alloc = kmem_cache_alloc_lru(radix_tree_node_cachep, xas->xa_lru, gfp);
341 		xas->xa_alloc = kmem_cache_alloc_lru(radix_tree_node_cachep, xas->xa_lru, gfp);
370 		gfp_t gfp = GFP_NOWAIT | __GFP_NOWARN;
373 			gfp |= __GFP_ACCOUNT;
375 		node = kmem_cache_alloc_lru(radix_tree_node_cachep, xas->xa_lru, gfp);
994  * @gfp: Memory allocation flags.
1001  * Context: May sleep if @gfp flags permit.
1004 		gfp_t gfp)
1020 		node = kmem_cache_alloc_lru(radix_tree_node_cachep, xas->xa_lru, gfp);
1528  * @gfp: Memory allocation flags.
1535  * release and reacquire xa_lock if @gfp flags permit.
1538 void *__xa_store(struct xarray *xa, unsigned long index, void *entry, gfp_t gfp)
1552 	} while (__xas_nomem(&xas, gfp));
1563  * @gfp: Memory allocation flags.
1570  * May sleep if the @gfp flags permit.
1575 void *xa_store(struct xarray *xa, unsigned long index, void *entry, gfp_t gfp)
1580 	curr = __xa_store(xa, index, entry, gfp);
1593  * @gfp: Memory allocation flags.
1600  * release and reacquire xa_lock if @gfp flags permit.
1604 			void *old, void *entry, gfp_t gfp)
1619 	} while (__xas_nomem(&xas, gfp));
1630  * @gfp: Memory allocation flags.
1637  * release and reacquire xa_lock if @gfp flags permit.
1641 int __xa_insert(struct xarray *xa, unsigned long index, void *entry, gfp_t gfp)
1660 	} while (__xas_nomem(&xas, gfp));
1704  * @gfp: Memory allocation flags.
1712  * if the @gfp flags permit.
1717 		unsigned long last, void *entry, gfp_t gfp)
1746 	} while (xas_nomem(&xas, gfp));
1799  * @gfp: Memory allocation flags.
1809  * release and reacquire xa_lock if @gfp flags permit.
1814 		struct xa_limit limit, gfp_t gfp)
1835 	} while (__xas_nomem(&xas, gfp));
1848  * @gfp: Memory allocation flags.
1860  * release and reacquire xa_lock if @gfp flags permit.
1866 		struct xa_limit limit, u32 *next, gfp_t gfp)
1872 	ret = __xa_alloc(xa, id, entry, limit, gfp);
1880 		ret = __xa_alloc(xa, id, entry, limit, gfp);