It is used by no-long-exist READ_ONLY_THP_FOR_FS.
Signed-off-by: Zi Yan <[email protected]>
---
mm/huge_memory.c | 21 ---------------------
1 file changed, 21 deletions(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 54b3d21e4cbb..de4a1e6ce376 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -85,24 +85,6 @@ unsigned long huge_anon_orders_madvise __read_mostly;
unsigned long huge_anon_orders_inherit __read_mostly;
static bool anon_orders_configured __initdata;
-static inline bool file_thp_enabled(struct vm_area_struct *vma)
-{
- struct inode *inode;
-
- if (!IS_ENABLED(CONFIG_READ_ONLY_THP_FOR_FS))
- return false;
-
- if (!vma->vm_file)
- return false;
-
- inode = file_inode(vma->vm_file);
-
- if (IS_ANON_FILE(inode))
- return false;
-
- return !inode_is_open_for_write(inode) && S_ISREG(inode->i_mode);
-}
-
/* If returns true, we are unable to access the VMA's folios. */
static bool vma_is_special_huge(const struct vm_area_struct *vma)
{
@@ -199,9 +181,6 @@ unsigned long __thp_vma_allowable_orders(struct
vm_area_struct *vma,
*/
if (((in_pf || smaps)) && vma->vm_ops->huge_fault)
return orders;
- /* Only regular file is valid in collapse path */
- if (((!in_pf || smaps)) && file_thp_enabled(vma))
- return orders;
return 0;
}
--
2.43.0
