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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4559 | Serge | 1 | #ifndef _LINUX_VMALLOC_H |
| 2 | #define _LINUX_VMALLOC_H |
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| 6295 | serge | 3 | |
| 4 | #include |
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| 5 | #include |
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| 6 | #include |
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| 6934 | serge | 7 | #include |
| 8 | |||
| 6295 | serge | 9 | struct vm_area_struct; /* vma defining user mapping in mm_types.h */ |
| 10 | |||
| 11 | /* bits in flags of vmalloc's vm_struct below */ |
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| 12 | #define VM_IOREMAP 0x00000001 /* ioremap() and friends */ |
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| 13 | #define VM_ALLOC 0x00000002 /* vmalloc() */ |
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| 14 | #define VM_MAP 0x00000004 /* vmap()ed pages */ |
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| 15 | #define VM_USERMAP 0x00000008 /* suitable for remap_vmalloc_range */ |
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| 16 | #define VM_UNINITIALIZED 0x00000020 /* vm_struct is not fully initialized */ |
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| 17 | #define VM_NO_GUARD 0x00000040 /* don't add guard page */ |
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| 18 | #define VM_KASAN 0x00000080 /* has allocated kasan shadow memory */ |
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| 19 | /* bits [20..32] reserved for arch specific ioremap internals */ |
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| 20 | |||
| 21 | /* |
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| 22 | * Maximum alignment for ioremap() regions. |
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| 23 | * Can be overriden by arch-specific value. |
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| 24 | */ |
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| 25 | #ifndef IOREMAP_MAX_ORDER |
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| 26 | #define IOREMAP_MAX_ORDER (7 + PAGE_SHIFT) /* 128 pages */ |
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| 27 | #endif |
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| 28 | extern void *vmalloc(unsigned long size); |
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| 29 | extern void *vzalloc(unsigned long size); |
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| 30 | extern void vfree(const void *addr); |
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| 31 | |||
| 32 | extern void *vmap(struct page **pages, unsigned int count, |
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| 33 | unsigned long flags, pgprot_t prot); |
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| 34 | extern void vunmap(const void *addr); |
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| 35 | |||
| 4559 | Serge | 36 | #endif /* _LINUX_VMALLOC_H */ |