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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _TOOLS_MMZONE_H
#define _TOOLS_MMZONE_H
#include <linux/atomic.h>
struct pglist_data *first_online_pgdat(void);
struct pglist_data *next_online_pgdat(struct pglist_data *pgdat);
#define for_each_online_pgdat(pgdat) \
for (pgdat = first_online_pgdat(); \
pgdat; \
pgdat = next_online_pgdat(pgdat))
enum zone_type {
__MAX_NR_ZONES
};
#define MAX_NR_ZONES __MAX_NR_ZONES
#define MAX_PAGE_ORDER 10
#define MAX_ORDER_NR_PAGES (1 << MAX_PAGE_ORDER)
#define pageblock_order MAX_PAGE_ORDER
#define pageblock_nr_pages BIT(pageblock_order)
#define pageblock_align(pfn) ALIGN((pfn), pageblock_nr_pages)
#define pageblock_start_pfn(pfn) ALIGN_DOWN((pfn), pageblock_nr_pages)
struct zone {
atomic_long_t managed_pages;
};
typedef struct pglist_data {
struct zone node_zones[MAX_NR_ZONES];
} pg_data_t;
#endif
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