Файловый менеджер

Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/include/linux/khugepaged.h

Назад
/* SPDX-License-Identifier: GPL-2.0 / #ifndef _LINUX_KHUGEPAGED_H #define _LINUX_KHUGEPAGED_H #include <linux/sched/coredump.h> / MMF_VM_HUGEPAGE / #ifdef CONFIG_TRANSPARENT_HUGEPAGE extern struct attribute_group khugepaged_attr_group; extern int khugepaged_init(void); extern void khugepaged_destroy(void); extern int start_stop_khugepaged(void); extern int __khugepaged_enter(struct mm_struct mm); extern void __khugepaged_exit(struct mm_struct mm); extern int khugepaged_enter_vma_merge(struct vm_area_struct vma, unsigned long vm_flags); extern void khugepaged_min_free_kbytes_update(void); #ifdef CONFIG_SHMEM extern void collapse_pte_mapped_thp(struct mm_struct mm, unsigned long addr); #else static inline void collapse_pte_mapped_thp(struct mm_struct mm, unsigned long addr) { } #endif #define khugepaged_enabled() \ (transparent_hugepage_flags & \ ((1<<TRANSPARENT_HUGEPAGE_FLAG) \| \ (1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG))) #define khugepaged_always() \ (transparent_hugepage_flags & \ (1<<TRANSPARENT_HUGEPAGE_FLAG)) #define khugepaged_req_madv() \ (transparent_hugepage_flags & \ (1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG)) #define khugepaged_defrag() \ (transparent_hugepage_flags & \ (1<<TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG)) static inline int khugepaged_fork(struct mm_struct mm, struct mm_struct oldmm) { if (test_bit(MMF_VM_HUGEPAGE, &oldmm->flags)) return __khugepaged_enter(mm); return 0; } static inline void khugepaged_exit(struct mm_struct mm) { if (test_bit(MMF_VM_HUGEPAGE, &mm->flags)) __khugepaged_exit(mm); } static inline int khugepaged_enter(struct vm_area_struct vma, unsigned long vm_flags) { if (!test_bit(MMF_VM_HUGEPAGE, &vma->vm_mm->flags)) if ((khugepaged_always() \|\| (khugepaged_req_madv() && (vm_flags & VM_HUGEPAGE))) && !(vm_flags & VM_NOHUGEPAGE) && !test_bit(MMF_DISABLE_THP, &vma->vm_mm->flags)) if (__khugepaged_enter(vma->vm_mm)) return -ENOMEM; return 0; } #else /* CONFIG_TRANSPARENT_HUGEPAGE / static inline int khugepaged_fork(struct mm_struct mm, struct mm_struct oldmm) { return 0; } static inline void khugepaged_exit(struct mm_struct mm) { } static inline int khugepaged_enter(struct vm_area_struct vma, unsigned long vm_flags) { return 0; } static inline int khugepaged_enter_vma_merge(struct vm_area_struct vma, unsigned long vm_flags) { return 0; } static inline void collapse_pte_mapped_thp(struct mm_struct mm, unsigned long addr) { } static inline void khugepaged_min_free_kbytes_update(void) { } #endif / CONFIG_TRANSPARENT_HUGEPAGE / #endif / _LINUX_KHUGEPAGED_H */

| ver. 1.4 | Github | . | PHP 7.4.3-4ubuntu2.24 | Генерация страницы: 0 | proxy | phpinfo | Настройка