vpage.h File Reference

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Functions
void *	vpage_alloc (unsigned int pages)
	Allocate virtual pages Allocates a specified number of contiguous virtual memory pages by mapping physical pages.
void	vpage_free (void *ptr)
	Free virtual pages Frees previously allocated virtual memory pages and unmaps them.

Function Documentation

vpage_alloc()

void * vpage_alloc

(

unsigned int

pages

)

Allocate virtual pages Allocates a specified number of contiguous virtual memory pages by mapping physical pages.

Parameters

[in]

pages

Number of pages (usually 4kB large) to allocate.

Returns

Pointer to the allocated virtual memory region, or NULL on failure.

vpage_free()

void vpage_free

(

void *

ptr

)

Free virtual pages Frees previously allocated virtual memory pages and unmaps them.

Parameters

[in]

ptr

Pointer to the memory pages to free.