pmm.c File Reference

#include "mos/mm/physical/pmm.h"
#include "mos/assert.h"
#include "mos/mm/mm.h"
#include "mos/mm/physical/buddy.h"
#include "mos/platform/platform.h"
#include "mos/syslog/printk.h"
#include <mos_stdlib.h>
#include <mos_string.h>

Include dependency graph for pmm.c:

Go to the source code of this file.

Functions
void	pmm_init (void)
void	pmm_dump_lists (void)
	Dump the physical memory manager's state, (i.e. the free list and the allocated list).
	MOS_PANIC_HOOK_FEAT (pmm, pmm_dump_lists, "dump physical allocator lists")
phyframe_t *	pmm_allocate_frames (size_t n_frames, pmm_allocation_flags_t flags)
	Allocate n_frames of contiguous physical memory.
void	pmm_free_frames (phyframe_t *start_frame, size_t n_pages)
pfn_t	pmm_reserve_frames (pfn_t pfn_start, size_t npages)
	Mark a range of physical memory as reserved.
pmm_region_t *	pmm_find_reserved_region (ptr_t needle)
	Find a region in the physical memory manager.
phyframe_t *	_pmm_ref_phyframes (phyframe_t *frame, size_t n_pages)
void	_pmm_unref_phyframes (phyframe_t *frame, size_t n_pages)

Variables
phyframe_t *	phyframes = NULL
size_t	pmm_total_frames = 0
size_t	pmm_allocated_frames = 0
size_t	pmm_reserved_frames = 0

Function Documentation

MOS_PANIC_HOOK_FEAT()

MOS_PANIC_HOOK_FEAT	(	pmm	,
		pmm_dump_lists	,
		"dump physical allocator lists"	)

Variable Documentation

pmm_allocated_frames

size_t pmm_allocated_frames = 0

Definition at line 17 of file pmm.c.

Referenced by pmm_allocate_frames(), and pmm_free_frames().

pmm_reserved_frames

size_t pmm_reserved_frames = 0

Definition at line 18 of file pmm.c.

Referenced by pmm_reserve_frames().