pintos/src/threads/palloc.h File Reference

#include <stddef.h>

Go to the source code of this file.

Enumerations
enum	palloc_flags { PAL_ASSERT = 0x1, PAL_ZERO = 0x2, PAL_USER = 0x4, PAL_NOCACHE = 0x8 }
Functions
void	palloc_init (void)
void *	palloc_get_page (enum palloc_flags)
void *	palloc_get_multiple (enum palloc_flags, size_t page_cnt)
void	palloc_free_page (void *)
void	palloc_free_multiple (void *, size_t page_cnt)
Variables
size_t	user_page_limit
void *	zero_page

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Enumeration Type Documentation

enum palloc_flags

Enumerator:

PAL_ASSERT
PAL_ZERO
PAL_USER
PAL_NOCACHE

Definition at line 8 of file palloc.h.

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Function Documentation

void palloc_free_multiple	(	void *	,
		size_t	page_cnt
	)

Definition at line 121 of file palloc.c.

References ASSERT, pool::base, bitmap_all(), bitmap_set_multiple(), memset(), NOT_REACHED, NULL, page_from_pool(), pg_no(), pg_ofs(), PGSIZE, pool::used_map, and user_pool.

Referenced by free(), and palloc_free_page().

void palloc_free_page

(

void *

)

Definition at line 149 of file palloc.c.

References palloc_free_multiple().

Referenced by free(), fsutil_cat(), load_segment(), pagedir_destroy(), process_execute(), schedule_tail(), setup_stack(), start_process(), and uhci_destroy_info().

void* palloc_get_multiple	(	enum	palloc_flags,
		size_t	page_cnt
	)

Definition at line 74 of file palloc.c.

References pool::base, BITMAP_ERROR, bitmap_scan_and_flip(), pool::lock, lock_acquire(), lock_release(), memset(), NULL, PAL_ASSERT, PAL_USER, PAL_ZERO, PANIC, PGSIZE, pool::used_map, and user_pool.

Referenced by malloc(), msc_attached(), and palloc_get_page().

void* palloc_get_page

(

enum

palloc_flags

)

Definition at line 114 of file palloc.c.

References palloc_get_multiple().

Referenced by fsutil_cat(), load_segment(), lookup_page(), malloc(), pagedir_create(), paging_init(), pci_zone_init(), process_execute(), setup_stack(), thread_create(), tss_init(), and uhci_create_info().

void palloc_init

(

void

)

Definition at line 49 of file palloc.c.

References init_pool(), PGSIZE, ptov(), ram_pages, user_page_limit, and user_pool.

Referenced by main().

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Variable Documentation

size_t user_page_limit

Definition at line 41 of file palloc.c.

Referenced by palloc_init(), and parse_options().

void* zero_page