vmalloc.h File Reference

#include <stddef.h>

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Macros
#define	VMALLOC_SIZE   (PAGE_SIZE * 512)
	Maximum size of the virtual memory region for vmalloc.
#define	VMALLOC_ALIGNMENT   16
	Alignment for each vmalloc allocation.

Functions
void	vmalloc_init (void)
	Initializes the virtual memory allocator. This should be called after frame allocator and paging are initialized.
void *	vmalloc (size_t size)
	Allocates size bytes of virtual memory and returns a pointer to it. The allocation is aligned to VMALLOC_ALIGNMENT. It panics if out of memory.
void	vfree (void *addr)
	Frees the virtual memory allocated at addr. (TODO: stop using bump allocator)

Macro Definition Documentation

VMALLOC_ALIGNMENT

#define VMALLOC_ALIGNMENT   16

Alignment for each vmalloc allocation.

VMALLOC_SIZE

#define VMALLOC_SIZE   (PAGE_SIZE * 512)

Maximum size of the virtual memory region for vmalloc.

Function Documentation

vfree()

void vfree

(

void *

addr

)

Frees the virtual memory allocated at addr. (TODO: stop using bump allocator)

vmalloc()

void * vmalloc

(

size_t

size

)

Allocates size bytes of virtual memory and returns a pointer to it. The allocation is aligned to VMALLOC_ALIGNMENT. It panics if out of memory.

vmalloc_init()

void vmalloc_init

(

void

)

Initializes the virtual memory allocator. This should be called after frame allocator and paging are initialized.