gfp.h File Reference

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Macros
#define	MAX_ALLOC_SIZE   1024*1024
#define	ZERO_SIZE_PTR   ((void *)16)
#define	KMALLOC_MAX_SIZE   (1UL << KMALLOC_SHIFT_MAX)
#define	KMALLOC_MAX_CACHE_SIZE   1024
#define	KMALLOC_MAX_ORDER   (KMALLOC_SHIFT_MAX - PAGE_SHIFT)
#define	KMALLOC_MIN_SIZE   (1 << KMALLOC_SHIFT_LOW)
#define	__GFP_DMA   0x01u
#define	__GFP_HIGHMEM   0x02u
#define	__GFP_DMA32   0x04u
#define	__GFP_ZERO   0x40u
#define	__GFP_NOWARN   0x80u
#define	__GFP_REPEAT   0x400u
#define	__GFP_NOFAIL   0x800u
#define	__GFP_NORETRY   0x1000u
#define	__GFP_MEMALLOC   0x2000u
#define	__GFP_COMP   0x4000u
#define	__GFP_NO_KSWAPD   0x8000u
#define	__GFP_OTHER_NODE   0x10000u
#define	__GFP_WRITE   0x20000u
#define	__GFP_HARDWALL   0x40000u
#define	__GFP_THISNODE   0x80000u
#define	__GFP_ATOMIC   0x100000u
#define	__GFP_ACCOUNT   0x200000u
#define	__GFP_RECLAIM   0x01u
#define	__GFP_IO   0x02u
#define	__GFP_FS   0x04u
#define	GFP_ATOMIC   (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM)
#define	GFP_KERNEL   (__GFP_RECLAIM | __GFP_IO | __GFP_FS)
#define	GFP_KERNEL_ACCOUNT   (GFP_KERNEL | __GFP_ACCOUNT)
#define	GFP_NOWAIT   (__GFP_KSWAPD_RECLAIM)
#define	GFP_NOIO   (__GFP_RECLAIM)
#define	GFP_NOFS   (__GFP_RECLAIM | __GFP_IO)
#define	GFP_USER   (__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL)
#define	GFP_DMA   __GFP_DMA
#define	GFP_DMA32   __GFP_DMA32
#define	GFP_HIGHUSER   (GFP_USER | __GFP_HIGHMEM)
#define	GFP_HIGHUSER_MOVABLE
#define	GFP_TRANSHUGE_LIGHT
#define	GFP_TRANSHUGE   (GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM)
#define	GFP_MOVABLE_MASK   (__GFP_RECLAIMABLE|__GFP_MOVABLE)
#define	GFP_MOVABLE_SHIFT   3

Typedefs
typedef unsigned int	gfp_t

Macro Definition Documentation

__GFP_ACCOUNT

#define __GFP_ACCOUNT   0x200000u

__GFP_ATOMIC

#define __GFP_ATOMIC   0x100000u

__GFP_COMP

#define __GFP_COMP   0x4000u

__GFP_DMA

#define __GFP_DMA   0x01u

__GFP_DMA32

#define __GFP_DMA32   0x04u

__GFP_FS

#define __GFP_FS   0x04u

__GFP_HARDWALL

#define __GFP_HARDWALL   0x40000u

__GFP_HIGHMEM

#define __GFP_HIGHMEM   0x02u

__GFP_IO

#define __GFP_IO   0x02u

__GFP_MEMALLOC

#define __GFP_MEMALLOC   0x2000u

__GFP_NO_KSWAPD

#define __GFP_NO_KSWAPD   0x8000u

__GFP_NOFAIL

#define __GFP_NOFAIL   0x800u

__GFP_NORETRY

#define __GFP_NORETRY   0x1000u

__GFP_NOWARN

#define __GFP_NOWARN   0x80u

__GFP_OTHER_NODE

#define __GFP_OTHER_NODE   0x10000u

__GFP_RECLAIM

#define __GFP_RECLAIM   0x01u

__GFP_REPEAT

#define __GFP_REPEAT   0x400u

__GFP_THISNODE

#define __GFP_THISNODE   0x80000u

__GFP_WRITE

#define __GFP_WRITE   0x20000u

__GFP_ZERO

#define __GFP_ZERO   0x40u

GFP_ATOMIC

#define GFP_ATOMIC   (__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM)

GFP_DMA

#define GFP_DMA   __GFP_DMA

GFP_DMA32

#define GFP_DMA32   __GFP_DMA32

GFP_HIGHUSER

#define GFP_HIGHUSER   (GFP_USER | __GFP_HIGHMEM)

GFP_HIGHUSER_MOVABLE

#define GFP_HIGHUSER_MOVABLE

Value:

             (GFP_HIGHUSER | __GFP_MOVABLE | \
             __GFP_SKIP_KASAN_POISON)

GFP_KERNEL

#define GFP_KERNEL   (__GFP_RECLAIM | __GFP_IO | __GFP_FS)

GFP_KERNEL_ACCOUNT

#define GFP_KERNEL_ACCOUNT   (GFP_KERNEL | __GFP_ACCOUNT)

GFP_MOVABLE_MASK

#define GFP_MOVABLE_MASK   (__GFP_RECLAIMABLE|__GFP_MOVABLE)

GFP_MOVABLE_SHIFT

#define GFP_MOVABLE_SHIFT   3

GFP_NOFS

#define GFP_NOFS   (__GFP_RECLAIM | __GFP_IO)

GFP_NOIO

#define GFP_NOIO   (__GFP_RECLAIM)

GFP_NOWAIT

#define GFP_NOWAIT   (__GFP_KSWAPD_RECLAIM)

GFP_TRANSHUGE

#define GFP_TRANSHUGE   (GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM)

GFP_TRANSHUGE_LIGHT

#define GFP_TRANSHUGE_LIGHT

Value:

             ((GFP_HIGHUSER_MOVABLE | __GFP_COMP | \
             __GFP_NOMEMALLOC | __GFP_NOWARN) & ~__GFP_RECLAIM)

GFP_USER

#define GFP_USER   (__GFP_RECLAIM | __GFP_IO | __GFP_FS | __GFP_HARDWALL)

KMALLOC_MAX_CACHE_SIZE

#define KMALLOC_MAX_CACHE_SIZE   1024

KMALLOC_MAX_ORDER

#define KMALLOC_MAX_ORDER   (KMALLOC_SHIFT_MAX - PAGE_SHIFT)

KMALLOC_MAX_SIZE

#define KMALLOC_MAX_SIZE   (1UL << KMALLOC_SHIFT_MAX)

KMALLOC_MIN_SIZE

#define KMALLOC_MIN_SIZE   (1 << KMALLOC_SHIFT_LOW)

MAX_ALLOC_SIZE

#define MAX_ALLOC_SIZE   1024*1024

ZERO_SIZE_PTR

#define ZERO_SIZE_PTR   ((void *)16)

Typedef Documentation

gfp_t

typedef unsigned int gfp_t