linux/mm/mmzone.c

// SPDX-License-Identifier: GPL-2.0
/*
 * linux/mm/mmzone.c
 *
 * management codes for pgdats, zones and page flags
 */


#include <linux/stddef.h>
#include <linux/mm.h>
#include <linux/mmzone.h>

struct pglist_data *first_online_pgdat(void)
{ … }

struct pglist_data *next_online_pgdat(struct pglist_data *pgdat)
{ … }

/*
 * next_zone - helper magic for for_each_zone()
 */
struct zone *next_zone(struct zone *zone)
{ … }

static inline int zref_in_nodemask(struct zoneref *zref, nodemask_t *nodes)
{ … }

/* Returns the next zone at or below highest_zoneidx in a zonelist */
struct zoneref *__next_zones_zonelist(struct zoneref *z,
					enum zone_type highest_zoneidx,
					nodemask_t *nodes)
{ … }

void lruvec_init(struct lruvec *lruvec)
{ … }

#if defined(CONFIG_NUMA_BALANCING) && !defined(LAST_CPUPID_NOT_IN_PAGE_FLAGS)
int folio_xchg_last_cpupid(struct folio *folio, int cpupid)
{ … }
#endif