auto ΐΎΜFile not found. ˆΕΚ ƒœΔΎΜέ/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_PROJID_H #define _LINUX_PROJID_H /* * A set of types for the internal kernel types representing project ids. * * The types defined in this header allow distinguishing which project ids in * the kernel are values used by userspace and which project id values are * the internal kernel values. With the addition of user namespaces the values * can be different. Using the type system makes it possible for the compiler * to detect when we overlook these differences. * */ #include struct user_namespace; extern struct user_namespace init_user_ns; typedef __kernel_uid32_t projid_t; typedef struct { projid_t val; } kprojid_t; static inline projid_t __kprojid_val(kprojid_t projid) { return projid.val; } #define KPROJIDT_INIT(value) (kprojid_t){ value } #define INVALID_PROJID KPROJIDT_INIT(-1) #define OVERFLOW_PROJID 65534 static inline bool projid_eq(kprojid_t left, kprojid_t right) { return __kprojid_val(left) == __kprojid_val(right); } static inline bool projid_lt(kprojid_t left, kprojid_t right) { return __kprojid_val(left) < __kprojid_val(right); } static inline bool projid_valid(kprojid_t projid) { return !projid_eq(projid, INVALID_PROJID); } #ifdef CONFIG_USER_NS extern kprojid_t make_kprojid(struct user_namespace *from, projid_t projid); extern projid_t from_kprojid(struct user_namespace *to, kprojid_t projid); extern projid_t from_kprojid_munged(struct user_namespace *to, kprojid_t projid); static inline bool kprojid_has_mapping(struct user_namespace *ns, kprojid_t projid) { return from_kprojid(ns, projid) != (projid_t)-1; } #else static inline kprojid_t make_kprojid(struct user_namespace *from, projid_t projid) { return KPROJIDT_INIT(projid); } static inline projid_t from_kprojid(struct user_namespace *to, kprojid_t kprojid) { return __kprojid_val(kprojid); } static inline projid_t from_kprojid_munged(struct user_namespace *to, kprojid_t kprojid) { projid_t projid = from_kprojid(to, kprojid); if (projid == (projid_t)-1) projid = OVERFLOW_PROJID; return projid; } static inline bool kprojid_has_mapping(struct user_namespace *ns, kprojid_t projid) { return true; } #endif /* CONFIG_USER_NS */ #endif /* _LINUX_PROJID_H */ ˆΕΚ 450ΔΎΜΒ/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_SWAPFILE_H #define _LINUX_SWAPFILE_H extern unsigned long generic_max_swapfile_size(void); unsigned long arch_max_swapfile_size(void); /* Maximum swapfile size supported for the arch (not inclusive). */ extern unsigned long swapfile_maximum_size; /* Whether swap migration entry supports storing A/D bits for the arch */ extern bool swap_migration_ad_supported; #endif /* _LINUX_SWAPFILE_H */ !ˆΕΚ ƒ½ΔΎΜ Š!/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_ONCE_H #define _LINUX_ONCE_H #include #include /* Helpers used from arbitrary contexts. * Hard irqs are blocked, be cautious. */ bool __do_once_start(bool *done, unsigned long *flags); void __do_once_done(bool *done, struct static_key_true *once_key, unsigned long *flags, struct module *mod); /* Variant for process contexts only. */ bool __do_once_sleepable_start(bool *done); void __do_once_sleepable_done(bool *done, struct static_key_true *once_key, struct module *mod); /* Call a function exactly once. The idea of DO_ONCE() is to perform * a function call such as initialization of random seeds, etc, only * once, where DO_ONCE() can live in the fast-path. After @func has * been called with the passed arguments, the static key will patch * out the condition into a nop. DO_ONCE() guarantees type safety of * arguments! * * Not that the following is not equivalent ... * * DO_ONCE(func, arg); * DO_ONCE(func, arg); * * ... to this version: * * void foo(void) * { * DO_ONCE(func, arg); * } * * foo(); * foo(); * * In case the one-time invocation could be triggered from multiple * pla