162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef __LINUX_PAGE_OWNER_H 362306a36Sopenharmony_ci#define __LINUX_PAGE_OWNER_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <linux/jump_label.h> 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci#ifdef CONFIG_PAGE_OWNER 862306a36Sopenharmony_ciextern struct static_key_false page_owner_inited; 962306a36Sopenharmony_ciextern struct page_ext_operations page_owner_ops; 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ciextern void __reset_page_owner(struct page *page, unsigned short order); 1262306a36Sopenharmony_ciextern void __set_page_owner(struct page *page, 1362306a36Sopenharmony_ci unsigned short order, gfp_t gfp_mask); 1462306a36Sopenharmony_ciextern void __split_page_owner(struct page *page, unsigned int nr); 1562306a36Sopenharmony_ciextern void __folio_copy_owner(struct folio *newfolio, struct folio *old); 1662306a36Sopenharmony_ciextern void __set_page_owner_migrate_reason(struct page *page, int reason); 1762306a36Sopenharmony_ciextern void __dump_page_owner(const struct page *page); 1862306a36Sopenharmony_ciextern void pagetypeinfo_showmixedcount_print(struct seq_file *m, 1962306a36Sopenharmony_ci pg_data_t *pgdat, struct zone *zone); 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_cistatic inline void reset_page_owner(struct page *page, unsigned short order) 2262306a36Sopenharmony_ci{ 2362306a36Sopenharmony_ci if (static_branch_unlikely(&page_owner_inited)) 2462306a36Sopenharmony_ci __reset_page_owner(page, order); 2562306a36Sopenharmony_ci} 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_cistatic inline void set_page_owner(struct page *page, 2862306a36Sopenharmony_ci unsigned short order, gfp_t gfp_mask) 2962306a36Sopenharmony_ci{ 3062306a36Sopenharmony_ci if (static_branch_unlikely(&page_owner_inited)) 3162306a36Sopenharmony_ci __set_page_owner(page, order, gfp_mask); 3262306a36Sopenharmony_ci} 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_cistatic inline void split_page_owner(struct page *page, unsigned int nr) 3562306a36Sopenharmony_ci{ 3662306a36Sopenharmony_ci if (static_branch_unlikely(&page_owner_inited)) 3762306a36Sopenharmony_ci __split_page_owner(page, nr); 3862306a36Sopenharmony_ci} 3962306a36Sopenharmony_cistatic inline void folio_copy_owner(struct folio *newfolio, struct folio *old) 4062306a36Sopenharmony_ci{ 4162306a36Sopenharmony_ci if (static_branch_unlikely(&page_owner_inited)) 4262306a36Sopenharmony_ci __folio_copy_owner(newfolio, old); 4362306a36Sopenharmony_ci} 4462306a36Sopenharmony_cistatic inline void set_page_owner_migrate_reason(struct page *page, int reason) 4562306a36Sopenharmony_ci{ 4662306a36Sopenharmony_ci if (static_branch_unlikely(&page_owner_inited)) 4762306a36Sopenharmony_ci __set_page_owner_migrate_reason(page, reason); 4862306a36Sopenharmony_ci} 4962306a36Sopenharmony_cistatic inline void dump_page_owner(const struct page *page) 5062306a36Sopenharmony_ci{ 5162306a36Sopenharmony_ci if (static_branch_unlikely(&page_owner_inited)) 5262306a36Sopenharmony_ci __dump_page_owner(page); 5362306a36Sopenharmony_ci} 5462306a36Sopenharmony_ci#else 5562306a36Sopenharmony_cistatic inline void reset_page_owner(struct page *page, unsigned short order) 5662306a36Sopenharmony_ci{ 5762306a36Sopenharmony_ci} 5862306a36Sopenharmony_cistatic inline void set_page_owner(struct page *page, 5962306a36Sopenharmony_ci unsigned int order, gfp_t gfp_mask) 6062306a36Sopenharmony_ci{ 6162306a36Sopenharmony_ci} 6262306a36Sopenharmony_cistatic inline void split_page_owner(struct page *page, 6362306a36Sopenharmony_ci unsigned short order) 6462306a36Sopenharmony_ci{ 6562306a36Sopenharmony_ci} 6662306a36Sopenharmony_cistatic inline void folio_copy_owner(struct folio *newfolio, struct folio *folio) 6762306a36Sopenharmony_ci{ 6862306a36Sopenharmony_ci} 6962306a36Sopenharmony_cistatic inline void set_page_owner_migrate_reason(struct page *page, int reason) 7062306a36Sopenharmony_ci{ 7162306a36Sopenharmony_ci} 7262306a36Sopenharmony_cistatic inline void dump_page_owner(const struct page *page) 7362306a36Sopenharmony_ci{ 7462306a36Sopenharmony_ci} 7562306a36Sopenharmony_ci#endif /* CONFIG_PAGE_OWNER */ 7662306a36Sopenharmony_ci#endif /* __LINUX_PAGE_OWNER_H */ 77