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-rw-r--r--include/linux/migrate.h16
-rw-r--r--mm/migrate.c2
2 files changed, 11 insertions, 7 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 51eac4b..d52afb9a 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -79,12 +79,6 @@ static inline int migrate_huge_page_move_mapping(struct address_space *mapping,
extern int migrate_misplaced_page(struct page *page, int node);
extern int migrate_misplaced_page(struct page *page, int node);
extern bool migrate_ratelimited(int node);
-extern int migrate_misplaced_transhuge_page(struct mm_struct *mm,
- struct vm_area_struct *vma,
- pmd_t *pmd, pmd_t entry,
- unsigned long address,
- struct page *page, int node);
-
#else
static inline int migrate_misplaced_page(struct page *page, int node)
{
@@ -94,7 +88,15 @@ static inline bool migrate_ratelimited(int node)
{
return false;
}
+#endif /* CONFIG_NUMA_BALANCING */
+#if defined(CONFIG_NUMA_BALANCING) && defined(CONFIG_TRANSPARENT_HUGEPAGE)
+extern int migrate_misplaced_transhuge_page(struct mm_struct *mm,
+ struct vm_area_struct *vma,
+ pmd_t *pmd, pmd_t entry,
+ unsigned long address,
+ struct page *page, int node);
+#else
static inline int migrate_misplaced_transhuge_page(struct mm_struct *mm,
struct vm_area_struct *vma,
pmd_t *pmd, pmd_t entry,
@@ -103,6 +105,6 @@ static inline int migrate_misplaced_transhuge_page(struct mm_struct *mm,
{
return -EAGAIN;
}
-#endif /* CONFIG_NUMA_BALANCING */
+#endif /* CONFIG_NUMA_BALANCING && CONFIG_TRANSPARENT_HUGEPAGE*/
#endif /* _LINUX_MIGRATE_H */
diff --git a/mm/migrate.c b/mm/migrate.c
index c940096..9341a50 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1602,7 +1602,9 @@ int migrate_misplaced_page(struct page *page, int node)
out:
return isolated;
}
+#endif /* CONFIG_NUMA_BALANCING */
+#if defined(CONFIG_NUMA_BALANCING) && defined(CONFIG_TRANSPARENT_HUGEPAGE)
int migrate_misplaced_transhuge_page(struct mm_struct *mm,
struct vm_area_struct *vma,
pmd_t *pmd, pmd_t entry,
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