1 files changed, 106 insertions, 0 deletions
diff --git a/include/linux/slab.h b/include/linux/slab.h
new file mode 100644
index 0000000..58fb73e
--- /dev/null
+++ b/include/linux/slab.h
@@ -0,0 +1,106 @@
+#ifndef __TOOLS_LINUX_SLAB_H
+#define __TOOLS_LINUX_SLAB_H
+
+#include <malloc.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <linux/kernel.h>
+#include <linux/page.h>
+#include <linux/types.h>
+
+#define ARCH_KMALLOC_MINALIGN		16
+#define KMALLOC_MAX_SIZE		SIZE_MAX
+
+static inline void *kmalloc(size_t size, gfp_t flags)
+{
+	void *p = malloc(size);
+
+	if (p && (flags & __GFP_ZERO))
+		memset(p, 0, size);
+
+	return p;
+}
+
+static inline void *krealloc(void *old, size_t size, gfp_t flags)
+{
+	void *new = kmalloc(size, flags);
+
+	if (new && (flags & __GFP_ZERO))
+		memset(new, 0, size);
+
+	if (new) {
+		memcpy(new, old,
+		       min(malloc_usable_size(old),
+			   malloc_usable_size(new)));
+		free(old);
+	}
+
+	return new;
+}
+
+#define kzalloc(size, flags)		calloc(1, size)
+#define kcalloc(n, size, flags)		calloc(n, size)
+#define kmalloc_array(n, size, flags)	calloc(n, size)
+
+#define vmalloc(size)			malloc(size)
+#define vzalloc(size)			calloc(1, size)
+
+#define kfree(p)			free(p)
+#define kvfree(p)			free(p)
+#define kzfree(p)			free(p)
+
+static inline struct page *alloc_pages(gfp_t flags, unsigned int order)
+{
+	size_t size = PAGE_SIZE << order;
+	void *p = memalign(PAGE_SIZE, size);
+
+	if (p && (flags & __GFP_ZERO))
+		memset(p, 0, size);
+
+	return p;
+}
+
+#define alloc_page(gfp)			alloc_pages(gfp, 0)
+
+#define __get_free_pages(gfp, order)	((unsigned long) alloc_pages(gfp, order))
+#define __get_free_page(gfp)		__get_free_pages(gfp, 0)
+
+#define __free_pages(page, order)			\
+do {							\
+	(void) order;					\
+	free(page);					\
+} while (0)
+
+#define free_pages(addr, order)				\
+do {							\
+	(void) order;					\
+	free((void *) (addr));				\
+} while (0)
+
+#define __free_page(page) __free_pages((page), 0)
+#define free_page(addr) free_pages((addr), 0)
+
+#define VM_IOREMAP		0x00000001	/* ioremap() and friends */
+#define VM_ALLOC		0x00000002	/* vmalloc() */
+#define VM_MAP			0x00000004	/* vmap()ed pages */
+#define VM_USERMAP		0x00000008	/* suitable for remap_vmalloc_range */
+#define VM_UNINITIALIZED	0x00000020	/* vm_struct is not fully initialized */
+#define VM_NO_GUARD		0x00000040      /* don't add guard page */
+#define VM_KASAN		0x00000080      /* has allocated kasan shadow memory */
+
+#define PAGE_KERNEL		0
+
+static inline void vunmap(const void *addr) {}
+
+static inline void *vmap(struct page **pages, unsigned int count,
+			 unsigned long flags, unsigned prot)
+{
+	return page_address(pages[0]);
+}
+
+#define is_vmalloc_addr(page)		0
+
+#define vmalloc_to_page(addr)		((struct page *) (addr))
+
+#endif /* __TOOLS_LINUX_SLAB_H */