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#ifndef __LINUX_GFP_H
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#ifndef __LINUX_GFP_H
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#define __LINUX_GFP_H
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#define __LINUX_GFP_H
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#include
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#include
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#include
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#include
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#include
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#include
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#include
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#include
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#define ___GFP_ZERO		0x8000u
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#define ___GFP_ZERO		0x8000u
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#define ___GFP_NOMEMALLOC	0x10000u
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#define ___GFP_NOMEMALLOC	0x10000u
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#define ___GFP_HARDWALL		0x20000u
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#define ___GFP_HARDWALL		0x20000u
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#define ___GFP_THISNODE		0x40000u
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#define ___GFP_THISNODE		0x40000u
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#define ___GFP_ATOMIC		0x80000u
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#define ___GFP_ATOMIC		0x80000u
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#define ___GFP_NOACCOUNT	0x100000u
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#define ___GFP_ACCOUNT		0x100000u
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#define ___GFP_NOTRACK		0x200000u
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#define ___GFP_NOTRACK		0x200000u
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#define ___GFP_DIRECT_RECLAIM	0x400000u
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#define ___GFP_DIRECT_RECLAIM	0x400000u
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#define ___GFP_OTHER_NODE	0x800000u
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#define ___GFP_OTHER_NODE	0x800000u
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#define ___GFP_WRITE		0x1000000u
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#define ___GFP_WRITE		0x1000000u
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#define ___GFP_KSWAPD_RECLAIM	0x2000000u
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#define ___GFP_KSWAPD_RECLAIM	0x2000000u
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 *
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 *
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 * __GFP_HARDWALL enforces the cpuset memory allocation policy.
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 * __GFP_HARDWALL enforces the cpuset memory allocation policy.
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 *
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 *
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 * __GFP_THISNODE forces the allocation to be satisified from the requested
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 * __GFP_THISNODE forces the allocation to be satisified from the requested
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 *   node with no fallbacks or placement policy enforcements.
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 *   node with no fallbacks or placement policy enforcements.
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 *
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 * __GFP_ACCOUNT causes the allocation to be accounted to kmemcg (only relevant
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 *   to kmem allocations).
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 */
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 */
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#define __GFP_RECLAIMABLE ((__force gfp_t)___GFP_RECLAIMABLE)
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#define __GFP_RECLAIMABLE ((__force gfp_t)___GFP_RECLAIMABLE)
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#define __GFP_WRITE	((__force gfp_t)___GFP_WRITE)
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#define __GFP_WRITE	((__force gfp_t)___GFP_WRITE)
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#define __GFP_HARDWALL   ((__force gfp_t)___GFP_HARDWALL)
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#define __GFP_HARDWALL   ((__force gfp_t)___GFP_HARDWALL)
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#define __GFP_THISNODE	((__force gfp_t)___GFP_THISNODE)
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#define __GFP_THISNODE	((__force gfp_t)___GFP_THISNODE)
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#define __GFP_ACCOUNT	((__force gfp_t)___GFP_ACCOUNT)
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/*
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/*
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 * Watermark modifiers -- controls access to emergency reserves
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 * Watermark modifiers -- controls access to emergency reserves
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 *
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 *
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 */
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 */
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#define __GFP_ATOMIC	((__force gfp_t)___GFP_ATOMIC)
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#define __GFP_ATOMIC	((__force gfp_t)___GFP_ATOMIC)
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#define __GFP_HIGH	((__force gfp_t)___GFP_HIGH)
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#define __GFP_HIGH	((__force gfp_t)___GFP_HIGH)
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#define __GFP_MEMALLOC	((__force gfp_t)___GFP_MEMALLOC)
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#define __GFP_MEMALLOC	((__force gfp_t)___GFP_MEMALLOC)
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#define __GFP_NOMEMALLOC ((__force gfp_t)___GFP_NOMEMALLOC)
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#define __GFP_NOMEMALLOC ((__force gfp_t)___GFP_NOMEMALLOC)
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#define __GFP_NOACCOUNT	((__force gfp_t)___GFP_NOACCOUNT)
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/*
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/*
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 * Reclaim modifiers
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 * Reclaim modifiers
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 *
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 *
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 *   watermark is applied to allow access to "atomic reserves"
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 *   watermark is applied to allow access to "atomic reserves"
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 *
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 *
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 * GFP_KERNEL is typical for kernel-internal allocations. The caller requires
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 * GFP_KERNEL is typical for kernel-internal allocations. The caller requires
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 *   ZONE_NORMAL or a lower zone for direct access but can direct reclaim.
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 *   ZONE_NORMAL or a lower zone for direct access but can direct reclaim.
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 *
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 *
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 * GFP_KERNEL_ACCOUNT is the same as GFP_KERNEL, except the allocation is
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 *   accounted to kmemcg.
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 *
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 * GFP_NOWAIT is for kernel allocations that should not stall for direct
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 * GFP_NOWAIT is for kernel allocations that should not stall for direct
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 *   reclaim, start physical IO or use any filesystem callback.
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 *   reclaim, start physical IO or use any filesystem callback.
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 *
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 *
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 * GFP_NOIO will use direct reclaim to discard clean pages or slab pages
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 * GFP_NOIO will use direct reclaim to discard clean pages or slab pages
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 *   that do not require the starting of any physical IO.
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 *   that do not require the starting of any physical IO.
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 *   that will fail quickly if memory is not available and will not wake
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 *   that will fail quickly if memory is not available and will not wake
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 *   kswapd on failure.
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 *   kswapd on failure.
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 */
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 */
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#define GFP_ATOMIC	(__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM)
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#define GFP_ATOMIC	(__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM)
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#define GFP_KERNEL	(__GFP_RECLAIM | __GFP_IO | __GFP_FS)
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#define GFP_KERNEL	(__GFP_RECLAIM | __GFP_IO | __GFP_FS)
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#define GFP_KERNEL_ACCOUNT (GFP_KERNEL | __GFP_ACCOUNT)
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#define GFP_NOWAIT	(__GFP_KSWAPD_RECLAIM)
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#define GFP_NOWAIT	(__GFP_KSWAPD_RECLAIM)
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#define GFP_NOIO	(__GFP_RECLAIM)
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#define GFP_NOIO	(__GFP_RECLAIM)
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#define GFP_NOFS	(__GFP_RECLAIM | __GFP_IO)
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#define GFP_NOFS	(__GFP_RECLAIM | __GFP_IO)
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#define GFP_TEMPORARY	(__GFP_RECLAIM | __GFP_IO | __GFP_FS | \
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#define GFP_TEMPORARY	(__GFP_RECLAIM | __GFP_IO | __GFP_FS | \
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			 __GFP_RECLAIMABLE)
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			 __GFP_RECLAIMABLE)
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#define GFP_HIGHUSER_MOVABLE	(GFP_HIGHUSER | __GFP_MOVABLE)
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#define GFP_HIGHUSER_MOVABLE	(GFP_HIGHUSER | __GFP_MOVABLE)
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#define GFP_TRANSHUGE	((GFP_HIGHUSER_MOVABLE | __GFP_COMP | \
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#define GFP_TRANSHUGE	((GFP_HIGHUSER_MOVABLE | __GFP_COMP | \
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			 __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN) & \
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			 __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN) & \
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			 ~__GFP_KSWAPD_RECLAIM)
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			 ~__GFP_KSWAPD_RECLAIM)
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/* Convert GFP flags to their corresponding migrate type */
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#define GFP_MOVABLE_MASK (__GFP_RECLAIMABLE|__GFP_MOVABLE)
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#define GFP_MOVABLE_SHIFT 3
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#undef GFP_MOVABLE_MASK
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#undef GFP_MOVABLE_SHIFT
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static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
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static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
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{
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{
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	return (bool __force)(gfp_flags & __GFP_DIRECT_RECLAIM);
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	return !!(gfp_flags & __GFP_DIRECT_RECLAIM);
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}
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}
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#ifdef CONFIG_HIGHMEM
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#ifdef CONFIG_HIGHMEM