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Diffstat (limited to 'include/linux/ksm.h')
-rw-r--r--include/linux/ksm.h13
1 files changed, 8 insertions, 5 deletions
diff --git a/include/linux/ksm.h b/include/linux/ksm.h
index 6a53ac4885bb..c17b955e7b0b 100644
--- a/include/linux/ksm.h
+++ b/include/linux/ksm.h
@@ -16,9 +16,9 @@
#ifdef CONFIG_KSM
int ksm_madvise(struct vm_area_struct *vma, unsigned long start,
- unsigned long end, int advice, unsigned long *vm_flags);
-
-void ksm_add_vma(struct vm_area_struct *vma);
+ unsigned long end, int advice, vm_flags_t *vm_flags);
+vm_flags_t ksm_vma_flags(const struct mm_struct *mm, const struct file *file,
+ vm_flags_t vm_flags);
int ksm_enable_merge_any(struct mm_struct *mm);
int ksm_disable_merge_any(struct mm_struct *mm);
int ksm_disable(struct mm_struct *mm);
@@ -93,11 +93,14 @@ void folio_migrate_ksm(struct folio *newfolio, struct folio *folio);
void collect_procs_ksm(const struct folio *folio, const struct page *page,
struct list_head *to_kill, int force_early);
long ksm_process_profit(struct mm_struct *);
+bool ksm_process_mergeable(struct mm_struct *mm);
#else /* !CONFIG_KSM */
-static inline void ksm_add_vma(struct vm_area_struct *vma)
+static inline vm_flags_t ksm_vma_flags(const struct mm_struct *mm,
+ const struct file *file, vm_flags_t vm_flags)
{
+ return vm_flags;
}
static inline int ksm_disable(struct mm_struct *mm)
@@ -130,7 +133,7 @@ static inline void collect_procs_ksm(const struct folio *folio,
#ifdef CONFIG_MMU
static inline int ksm_madvise(struct vm_area_struct *vma, unsigned long start,
- unsigned long end, int advice, unsigned long *vm_flags)
+ unsigned long end, int advice, vm_flags_t *vm_flags)
{
return 0;
}