Differential D20502 Diff 58245 sys/compat/linuxkpi/common/include/linux/gfp.h

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sys/compat/linuxkpi/common/include/linux/gfp.h

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	#define __GFP_HIGHMEM 0			#define __GFP_HIGHMEM 0
	#define __GFP_ZERO M_ZERO			#define __GFP_ZERO M_ZERO
	#define __GFP_NORETRY 0			#define __GFP_NORETRY 0
	#define __GFP_RECLAIM 0			#define __GFP_RECLAIM 0
	#define __GFP_RECLAIMABLE 0			#define __GFP_RECLAIMABLE 0
	#define __GFP_RETRY_MAYFAIL 0			#define __GFP_RETRY_MAYFAIL 0
	#define __GFP_MOVABLE 0			#define __GFP_MOVABLE 0
	#define __GFP_COMP 0			#define __GFP_COMP 0
	#define __GFP_KSWAPD_RECLAIM 0			#define __GFP_KSWAPD_RECLAIM 0

	#define __GFP_IO 0			#define __GFP_IO 0
	#define __GFP_NO_KSWAPD 0			#define __GFP_NO_KSWAPD 0
	#define __GFP_WAIT M_WAITOK			#define __GFP_WAIT M_WAITOK
	#define __GFP_DMA32 (1U << 24) /* LinuxKPI only */			#define __GFP_DMA32 (1U << 24) /* LinuxKPI only */
				#if defined(LINUXKPI_VERSION) && LINUXKPI_VERSION == 50000
				#define __GFP_NOTWIRED (1U << 25)
				#endif
	#define __GFP_BITS_SHIFT 25			#define __GFP_BITS_SHIFT 25
	#define __GFP_BITS_MASK ((1 << __GFP_BITS_SHIFT) - 1)			#define __GFP_BITS_MASK ((1 << __GFP_BITS_SHIFT) - 1)
	#define __GFP_NOFAIL M_WAITOK			#define __GFP_NOFAIL M_WAITOK

	#define GFP_NOWAIT M_NOWAIT			#define GFP_NOWAIT M_NOWAIT
	#define GFP_ATOMIC (M_NOWAIT \| M_USE_RESERVE)			#define GFP_ATOMIC (M_NOWAIT \| M_USE_RESERVE)
	#define GFP_KERNEL M_WAITOK			#define GFP_KERNEL M_WAITOK
	#define GFP_USER M_WAITOK			#define GFP_USER M_WAITOK
	#define GFP_HIGHUSER M_WAITOK			#define GFP_HIGHUSER M_WAITOK
	#define GFP_HIGHUSER_MOVABLE M_WAITOK			#define GFP_HIGHUSER_MOVABLE M_WAITOK
	#define GFP_IOFS M_NOWAIT			#define GFP_IOFS M_NOWAIT
	#define GFP_NOIO M_NOWAIT			#define GFP_NOIO M_NOWAIT
	#define GFP_DMA32 __GFP_DMA32			#define GFP_DMA32 __GFP_DMA32
	#define GFP_TEMPORARY M_NOWAIT			#define GFP_TEMPORARY M_NOWAIT
	#define GFP_NATIVE_MASK (M_NOWAIT \| M_WAITOK \| M_USE_RESERVE \| M_ZERO)			#define GFP_NATIVE_MASK (M_NOWAIT \| M_WAITOK \| M_USE_RESERVE \| M_ZERO)
	#define GFP_TRANSHUGE 0			#define GFP_TRANSHUGE 0
	#define GFP_TRANSHUGE_LIGHT 0			#define GFP_TRANSHUGE_LIGHT 0

	CTASSERT((__GFP_DMA32 & GFP_NATIVE_MASK) == 0);			CTASSERT((__GFP_DMA32 & GFP_NATIVE_MASK) == 0);
	CTASSERT((__GFP_BITS_MASK & GFP_NATIVE_MASK) == GFP_NATIVE_MASK);			CTASSERT((__GFP_BITS_MASK & GFP_NATIVE_MASK) == GFP_NATIVE_MASK);

	/*			/*
	* Resolve a page into a virtual address:			* Resolve a page into a virtual address:
	*			*
	* NOTE: This function only works for pages allocated by the kernel.			* NOTE: This function only works for pages allocated by the kernel.
	*/			*/
	extern void linux_page_address(struct page );			extern void linux_page_address(struct page );

	#define page_address(page) linux_page_address(page)			#define page_address(page) linux_page_address(page)

	/*			/*
	* Page management for unmapped pages:			* Page management for unmapped pages:
	*/			*/
	extern vm_page_t linux_alloc_pages(gfp_t flags, unsigned int order);			extern vm_page_t linux_alloc_pages(gfp_t flags, unsigned int order);
	extern void linux_free_pages(vm_page_t page, unsigned int order);			extern void linux_free_pages(vm_page_t page, unsigned int order);

	static inline struct page *			static inline struct page *
	alloc_page(gfp_t flags)			alloc_page(gfp_t flags)
	{			{

				#ifdef __GFP_NOWIRED
				flags \|= __GFP_NOTWIRED;
				#endif
	return (linux_alloc_pages(flags, 0));			return (linux_alloc_pages(flags, 0));
	}			}

	static inline struct page *			static inline struct page *
	alloc_pages(gfp_t flags, unsigned int order)			alloc_pages(gfp_t flags, unsigned int order)
	{			{

				#ifdef __GFP_NOWIRED
				flags \|= __GFP_NOTWIRED;
				#endif
	return (linux_alloc_pages(flags, order));			return (linux_alloc_pages(flags, order));
	}			}

	static inline struct page *			static inline struct page *
	alloc_pages_node(int node_id, gfp_t flags, unsigned int order)			alloc_pages_node(int node_id, gfp_t flags, unsigned int order)
	{			{

				#ifdef __GFP_NOWIRED
				flags \|= __GFP_NOTWIRED;
				#endif
	return (linux_alloc_pages(flags, order));			return (linux_alloc_pages(flags, order));
	}			}

	static inline void			static inline void
	__free_pages(struct page *page, unsigned int order)			__free_pages(struct page *page, unsigned int order)
	{			{

	linux_free_pages(page, order);			linux_free_pages(page, order);
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