23  * Flags to pass to kmem_cache_create().
118  * Ignore user specified debugging flags.
119  * Intended for caches created for self-tests so they have only flags
120  * specified in the code and other flags are ignored.
130 /* The following flags affect the page allocator grouping pages by mobility */
159 			unsigned int align, slab_flags_t flags,
163 			slab_flags_t flags,
171  * name of the structure and maybe some flags that are listed above.
195 void * __must_check krealloc(const void *objp, size_t new_size, gfp_t flags) __realloc_size(2);
361 static __always_inline enum kmalloc_cache_type kmalloc_type(gfp_t flags)  in kmalloc_type()  argument
365 	 * with a single branch for all the relevant flags.  in kmalloc_type()
367 	if (likely((flags & KMALLOC_NOT_NORMAL_BITS) == 0))  in kmalloc_type()
371 	 * At least one of the flags has to be set. Their priorities in  in kmalloc_type()
377 	if (IS_ENABLED(CONFIG_ZONE_DMA) && (flags & __GFP_DMA))  in kmalloc_type()
379 	if (!IS_ENABLED(CONFIG_MEMCG_KMEM) || (flags & __GFP_RECLAIMABLE))  in kmalloc_type()
443 void *__kmalloc(size_t size, gfp_t flags) __assume_kmalloc_alignment __alloc_size(1);
444 void *kmem_cache_alloc(struct kmem_cache *s, gfp_t flags) __assume_slab_alignment __malloc;
457 int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size, void **p);
468 void *__kmalloc_node(size_t size, gfp_t flags, int node) __assume_kmalloc_alignment
470 void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t flags, int node) __assume_slab_alignment
473 void *kmalloc_trace(struct kmem_cache *s, gfp_t flags, size_t size)
479 void *kmalloc_large(size_t size, gfp_t flags) __assume_page_alignment
482 void *kmalloc_large_node(size_t size, gfp_t flags, int node) __assume_page_alignment
488  * @flags: the type of memory to allocate.
497  * The @flags argument may be one of the GFP flags defined at
499  * :ref:`Documentation/core-api/mm-api.rst <mm-api-gfp-flags>`
501  * The recommended usage of the @flags is described at
504  * Below is a brief outline of the most useful GFP flags
518  * Also it is possible to set different flags by OR'ing
519  * in one or more of the following additional @flags:
539 static __always_inline __alloc_size(1) void *kmalloc(size_t size, gfp_t flags)  in kmalloc()  argument
546 			return kmalloc_large(size, flags);  in kmalloc()
554 				kmalloc_caches[kmalloc_type(flags)][index],  in kmalloc()
555 				flags, size);  in kmalloc()
558 	return __kmalloc(size, flags);  in kmalloc()
562 static __always_inline __alloc_size(1) void *kmalloc_node(size_t size, gfp_t flags, int node)  in kmalloc_node()  argument
568 			return kmalloc_large_node(size, flags, node);  in kmalloc_node()
576 				kmalloc_caches[kmalloc_type(flags)][index],  in kmalloc_node()
577 				flags, node, size);  in kmalloc_node()
579 	return __kmalloc_node(size, flags, node);  in kmalloc_node()
582 static __always_inline __alloc_size(1) void *kmalloc_node(size_t size, gfp_t flags, int node)  in kmalloc_node()  argument
585 		return kmalloc_large_node(size, flags, node);  in kmalloc_node()
587 	return __kmalloc_node(size, flags, node);  in kmalloc_node()
595  * @flags: the type of memory to allocate (see kmalloc).
597 static inline __alloc_size(1, 2) void *kmalloc_array(size_t n, size_t size, gfp_t flags)  in kmalloc_array()  argument
604 		return kmalloc(bytes, flags);  in kmalloc_array()
605 	return __kmalloc(bytes, flags);  in kmalloc_array()
613  * @flags: the type of memory to allocate (see kmalloc)
618 								      gfp_t flags)  in krealloc_array()  argument
625 	return krealloc(p, bytes, flags);  in krealloc_array()
632  * @flags: the type of memory to allocate (see kmalloc).
634 static inline __alloc_size(1, 2) void *kcalloc(size_t n, size_t size, gfp_t flags)  in kcalloc()  argument
636 	return kmalloc_array(n, size, flags | __GFP_ZERO);  in kcalloc()
639 void *__kmalloc_node_track_caller(size_t size, gfp_t flags, int node,
641 #define kmalloc_node_track_caller(size, flags, node) \  argument
642 	__kmalloc_node_track_caller(size, flags, node, \
653 #define kmalloc_track_caller(size, flags) \  argument
654 	__kmalloc_node_track_caller(size, flags, \
657 static inline __alloc_size(1, 2) void *kmalloc_array_node(size_t n, size_t size, gfp_t flags,  in kmalloc_array_node()  argument
665 		return kmalloc_node(bytes, flags, node);  in kmalloc_array_node()
666 	return __kmalloc_node(bytes, flags, node);  in kmalloc_array_node()
669 static inline __alloc_size(1, 2) void *kcalloc_node(size_t n, size_t size, gfp_t flags, int node)  in kcalloc_node()  argument
671 	return kmalloc_array_node(n, size, flags | __GFP_ZERO, node);  in kcalloc_node()
677 static inline void *kmem_cache_zalloc(struct kmem_cache *k, gfp_t flags)  in kmem_cache_zalloc()  argument
679 	return kmem_cache_alloc(k, flags | __GFP_ZERO);  in kmem_cache_zalloc()
685  * @flags: the type of memory to allocate (see kmalloc).
687 static inline __alloc_size(1) void *kzalloc(size_t size, gfp_t flags)  in kzalloc()  argument
689 	return kmalloc(size, flags | __GFP_ZERO);  in kzalloc()
695  * @flags: the type of memory to allocate (see kmalloc).
698 static inline __alloc_size(1) void *kzalloc_node(size_t size, gfp_t flags, int node)  in kzalloc_node()  argument
700 	return kmalloc_node(size, flags | __GFP_ZERO, node);  in kzalloc_node()
703 extern void *kvmalloc_node(size_t size, gfp_t flags, int node) __alloc_size(1);
704 static inline __alloc_size(1) void *kvmalloc(size_t size, gfp_t flags)  in kvmalloc()  argument
706 	return kvmalloc_node(size, flags, NUMA_NO_NODE);  in kvmalloc()
708 static inline __alloc_size(1) void *kvzalloc_node(size_t size, gfp_t flags, int node)  in kvzalloc_node()  argument
710 	return kvmalloc_node(size, flags | __GFP_ZERO, node);  in kvzalloc_node()
712 static inline __alloc_size(1) void *kvzalloc(size_t size, gfp_t flags)  in kvzalloc()  argument
714 	return kvmalloc(size, flags | __GFP_ZERO);  in kvzalloc()
717 static inline __alloc_size(1, 2) void *kvmalloc_array(size_t n, size_t size, gfp_t flags)  in kvmalloc_array()  argument
724 	return kvmalloc(bytes, flags);  in kvmalloc_array()
727 static inline __alloc_size(1, 2) void *kvcalloc(size_t n, size_t size, gfp_t flags)  in kvcalloc()  argument
729 	return kvmalloc_array(n, size, flags | __GFP_ZERO);  in kvcalloc()
732 extern void *kvrealloc(const void *p, size_t oldsize, size_t newsize, gfp_t flags)