mem.c File Reference

#include <linux/export.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/gfp.h>
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/stddef.h>
#include <linux/init.h>
#include <linux/bootmem.h>
#include <linux/highmem.h>
#include <linux/initrd.h>
#include <linux/pagemap.h>
#include <linux/suspend.h>
#include <linux/memblock.h>
#include <linux/hugetlb.h>
#include <linux/slab.h>
#include <asm/pgalloc.h>
#include <asm/prom.h>
#include <asm/io.h>
#include <asm/mmu_context.h>
#include <asm/pgtable.h>
#include <asm/mmu.h>
#include <asm/smp.h>
#include <asm/machdep.h>
#include <asm/btext.h>
#include <asm/tlb.h>
#include <asm/sections.h>
#include <asm/sparsemem.h>
#include <asm/vdso.h>
#include <asm/fixmap.h>
#include <asm/swiotlb.h>
#include <asm/rtas.h>
#include "mmu_decl.h"

Go to the source code of this file.

Macros
#define	CPU_FTR_COHERENT_ICACHE   0 /* XXX for now */
#define	CPU_FTR_NOEXECUTE   0

Functions
int	page_is_ram (unsigned long pfn)
pgprot_t	phys_mem_access_prot (struct file *file, unsigned long pfn, unsigned long size, pgprot_t vma_prot)
	EXPORT_SYMBOL (phys_mem_access_prot)
int	walk_system_ram_range (unsigned long start_pfn, unsigned long nr_pages, void *arg, int(*func)(unsigned long, unsigned long, void *))
	EXPORT_SYMBOL_GPL (walk_system_ram_range)
void __init	do_init_bootmem (void)
void __init	paging_init (void)
void __init	mem_init (void)
void	free_initmem (void)
void	flush_dcache_page (struct page *page)
	EXPORT_SYMBOL (flush_dcache_page)
void	flush_dcache_icache_page (struct page *page)
	EXPORT_SYMBOL (flush_dcache_icache_page)
void	clear_user_page (void *page, unsigned long vaddr, struct page *pg)
	EXPORT_SYMBOL (clear_user_page)
void	copy_user_page (void *vto, void *vfrom, unsigned long vaddr, struct page *pg)
void	flush_icache_user_range (struct vm_area_struct *vma, struct page *page, unsigned long addr, int len)
	EXPORT_SYMBOL (flush_icache_user_range)
void	update_mmu_cache (struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
	subsys_initcall (add_system_ram_resources)

Variables
int	init_bootmem_done
int	mem_init_done
unsigned long long	memory_limit

Macro Definition Documentation

#define CPU_FTR_COHERENT_ICACHE   0 /* XXX for now */

Definition at line 59 of file mem.c.

#define CPU_FTR_NOEXECUTE   0

Definition at line 60 of file mem.c.

Function Documentation

void clear_user_page	(	void *	page,
		unsigned long	vaddr,
		struct page *	pg
	)

Definition at line 473 of file mem.c.

void copy_user_page	(	void *	vto,
		void *	vfrom,
		unsigned long	vaddr,
		struct page *	pg
	)

Definition at line 486 of file mem.c.

void __init do_init_bootmem

(

void

)

Definition at line 172 of file mem.c.

EXPORT_SYMBOL

(

phys_mem_access_prot

)

EXPORT_SYMBOL

(

flush_dcache_page

)

EXPORT_SYMBOL

(

flush_dcache_icache_page

)

EXPORT_SYMBOL

(

clear_user_page

)

EXPORT_SYMBOL

(

flush_icache_user_range

)

EXPORT_SYMBOL_GPL

(

walk_system_ram_range

)

void flush_dcache_icache_page

(

struct page *

page

)

Definition at line 450 of file mem.c.

void flush_dcache_page

(

struct page *

page

)

Definition at line 440 of file mem.c.

void flush_icache_user_range	(	struct vm_area_struct *	vma,
		struct page *	page,
		unsigned long	addr,
		int	len
	)

Definition at line 509 of file mem.c.

void free_initmem

(

void

)

Definition at line 397 of file mem.c.

void __init mem_init

(

void

)

Definition at line 292 of file mem.c.

int page_is_ram

(

unsigned long

pfn

)

Definition at line 81 of file mem.c.

void __init paging_init

(

void

)

paging_init - setup page tables

paging_init() sets up the page tables for each node of the system and frees the bootmem allocator memory for general use.

Definition at line 253 of file mem.c.

pgprot_t phys_mem_access_prot	(	struct file *	file,
		unsigned long	pfn,
		unsigned long	size,
		pgprot_t	vma_prot
	)

Definition at line 96 of file mem.c.

subsys_initcall

(

add_system_ram_resources

)

void update_mmu_cache ( struct vm_area_struct *  vma, unsigned long  address, pte_t *  ptep  )

inline

Definition at line 528 of file mem.c.

int walk_system_ram_range	(	unsigned long	start_pfn,
		unsigned long	nr_pages,
		void *	arg,
		int(*)(unsigned long, unsigned long, void *)	func
	)

Definition at line 145 of file mem.c.

Variable Documentation

int init_bootmem_done

Definition at line 63 of file mem.c.

int mem_init_done

Definition at line 64 of file mem.c.

unsigned long long memory_limit

Definition at line 65 of file mem.c.