1 #ifndef __TOOLS_LINUX_SLAB_H
2 #define __TOOLS_LINUX_SLAB_H
8 #include <linux/kernel.h>
9 #include <linux/page.h>
10 #include <linux/shrinker.h>
11 #include <linux/types.h>
13 #define ARCH_KMALLOC_MINALIGN 16
14 #define KMALLOC_MAX_SIZE SIZE_MAX
16 static inline void *kmalloc(size_t size, gfp_t flags)
23 if (p && (flags & __GFP_ZERO))
29 static inline void *krealloc(void *old, size_t size, gfp_t flags)
39 if (flags & __GFP_ZERO)
43 min(malloc_usable_size(old),
44 malloc_usable_size(new)));
50 #define kzalloc(size, flags) kmalloc(size, flags|__GFP_ZERO)
51 #define kmalloc_array(n, size, flags) \
52 ((size) != 0 && (n) > SIZE_MAX / (size) \
53 ? NULL : kmalloc(n * size, flags))
55 #define kcalloc(n, size, flags) kmalloc_array(n, size, flags|__GFP_ZERO)
57 #define kfree(p) free(p)
58 #define kvfree(p) free(p)
59 #define kzfree(p) free(p)
61 static inline struct page *alloc_pages(gfp_t flags, unsigned int order)
63 size_t size = PAGE_SIZE << order;
68 p = aligned_alloc(PAGE_SIZE, size);
69 if (p && (flags & __GFP_ZERO))
75 #define alloc_page(gfp) alloc_pages(gfp, 0)
77 #define __get_free_pages(gfp, order) ((unsigned long) alloc_pages(gfp, order))
78 #define __get_free_page(gfp) __get_free_pages(gfp, 0)
80 #define __free_pages(page, order) \
86 #define free_pages(addr, order) \
89 free((void *) (addr)); \
92 #define __free_page(page) __free_pages((page), 0)
93 #define free_page(addr) free_pages((addr), 0)
95 #define VM_IOREMAP 0x00000001 /* ioremap() and friends */
96 #define VM_ALLOC 0x00000002 /* vmalloc() */
97 #define VM_MAP 0x00000004 /* vmap()ed pages */
98 #define VM_USERMAP 0x00000008 /* suitable for remap_vmalloc_range */
99 #define VM_UNINITIALIZED 0x00000020 /* vm_struct is not fully initialized */
100 #define VM_NO_GUARD 0x00000040 /* don't add guard page */
101 #define VM_KASAN 0x00000080 /* has allocated kasan shadow memory */
103 static inline void vunmap(const void *addr) {}
105 static inline void *vmap(struct page **pages, unsigned int count,
106 unsigned long flags, unsigned prot)
111 #define is_vmalloc_addr(page) 0
113 #define vmalloc_to_page(addr) ((struct page *) (addr))
115 #endif /* __TOOLS_LINUX_SLAB_H */