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19c91bd893
In kernel code, memory_hotplug.h is included in mmzone.h instead of in init.h. Let's sync with kernel. This is a preparation for move init.h in common include directory. Signed-off-by: Wei Yang <richard.weiyang@gmail.com> CC: Mike Rapoport <rppt@kernel.org> Link: https://lore.kernel.org/r/20240712035138.24674-1-richard.weiyang@gmail.com Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
39 lines
912 B
C
39 lines
912 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _TOOLS_MMZONE_H
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#define _TOOLS_MMZONE_H
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#include <linux/atomic.h>
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#include <linux/memory_hotplug.h>
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struct pglist_data *first_online_pgdat(void);
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struct pglist_data *next_online_pgdat(struct pglist_data *pgdat);
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#define for_each_online_pgdat(pgdat) \
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for (pgdat = first_online_pgdat(); \
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pgdat; \
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pgdat = next_online_pgdat(pgdat))
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enum zone_type {
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__MAX_NR_ZONES
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};
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#define MAX_NR_ZONES __MAX_NR_ZONES
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#define MAX_PAGE_ORDER 10
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#define MAX_ORDER_NR_PAGES (1 << MAX_PAGE_ORDER)
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#define pageblock_order MAX_PAGE_ORDER
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#define pageblock_nr_pages BIT(pageblock_order)
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#define pageblock_align(pfn) ALIGN((pfn), pageblock_nr_pages)
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#define pageblock_start_pfn(pfn) ALIGN_DOWN((pfn), pageblock_nr_pages)
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struct zone {
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atomic_long_t managed_pages;
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};
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typedef struct pglist_data {
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struct zone node_zones[MAX_NR_ZONES];
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} pg_data_t;
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#endif
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