12 #include <linux/mm.h>
22 int ksm_enable_merge_any(struct mm_struct *mm);
23 int ksm_disable_merge_any(struct mm_struct *mm);
24 int ksm_disable(struct mm_struct *mm);
26 int __ksm_enter(struct mm_struct *mm);
27 void __ksm_exit(struct mm_struct *mm);
37 static inline void ksm_map_zero_page(struct mm_struct *mm)  in ksm_map_zero_page()  argument
40 	atomic_long_inc(&mm->ksm_zero_pages);  in ksm_map_zero_page()
43 static inline void ksm_might_unmap_zero_page(struct mm_struct *mm, pte_t pte)  in ksm_might_unmap_zero_page()  argument
47 		atomic_long_dec(&mm->ksm_zero_pages);  in ksm_might_unmap_zero_page()
51 static inline long mm_ksm_zero_pages(struct mm_struct *mm)  in mm_ksm_zero_pages()  argument
53 	return atomic_long_read(&mm->ksm_zero_pages);  in mm_ksm_zero_pages()
56 static inline void ksm_fork(struct mm_struct *mm, struct mm_struct *oldmm)  in ksm_fork()  argument
58 	/* Adding mm to ksm is best effort on fork. */  in ksm_fork()
60 		__ksm_enter(mm);  in ksm_fork()
63 static inline int ksm_execve(struct mm_struct *mm)  in ksm_execve()  argument
65 	if (test_bit(MMF_VM_MERGE_ANY, &mm->flags))  in ksm_execve()
66 		return __ksm_enter(mm);  in ksm_execve()
71 static inline void ksm_exit(struct mm_struct *mm)  in ksm_exit()  argument
73 	if (test_bit(MMF_VM_MERGEABLE, &mm->flags))  in ksm_exit()
74 		__ksm_exit(mm);  in ksm_exit()
96 bool ksm_process_mergeable(struct mm_struct *mm);
104 static inline int ksm_disable(struct mm_struct *mm)  in ksm_disable()  argument
109 static inline void ksm_fork(struct mm_struct *mm, struct mm_struct *oldmm)  in ksm_fork()  argument
113 static inline int ksm_execve(struct mm_struct *mm)  in ksm_execve()  argument
118 static inline void ksm_exit(struct mm_struct *mm)  in ksm_exit()  argument
122 static inline void ksm_might_unmap_zero_page(struct mm_struct *mm, pte_t pte)  in ksm_might_unmap_zero_page()  argument