mirror of
https://github.com/tailix/libkernaux.git
synced 2024-10-30 11:54:01 -04:00
44 lines
866 B
C
44 lines
866 B
C
#ifndef KERNAUX_INCLUDED_PFA
|
|
#define KERNAUX_INCLUDED_PFA 1
|
|
|
|
#include <stdbool.h>
|
|
|
|
#define KERNAUX_PFA_PAGE_SIZE (4 * 1024)
|
|
#define KERNAUX_PFA_PAGES_COUNT_MAX (1024 * 1024)
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct KernAux_PFA {
|
|
bool pages[KERNAUX_PFA_PAGES_COUNT_MAX];
|
|
};
|
|
|
|
void KernAux_PFA_initialize(struct KernAux_PFA *pfa)
|
|
__attribute__((nonnull));
|
|
|
|
void KernAux_PFA_mark_available(
|
|
struct KernAux_PFA *pfa,
|
|
unsigned int start,
|
|
unsigned int end
|
|
)
|
|
__attribute__((nonnull));
|
|
|
|
void KernAux_PFA_mark_unavailable(
|
|
struct KernAux_PFA *pfa,
|
|
unsigned int start,
|
|
unsigned int end
|
|
)
|
|
__attribute__((nonnull));
|
|
|
|
unsigned int KernAux_PFA_alloc_page(struct KernAux_PFA *pfa)
|
|
__attribute__((nonnull));
|
|
|
|
void KernAux_PFA_free_page(struct KernAux_PFA *pfa, unsigned int page_addr)
|
|
__attribute__((nonnull));
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|