This reverts commit d0834a6c2c5b0c76cfb806bd7dba6556d8b4edbb.
After revert of 5c0a85fad949 ("mm: make faultaround produce old ptes")
faultaround doesn't have dependencies on hardware accessed bit, so let's
revert this one too.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
---
mm/memory.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/mm/memory.c b/mm/memory.c
index 61fe7e7b56bf..cd1f29e4897e 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2898,16 +2898,8 @@ void do_set_pte(struct vm_area_struct *vma, unsigned long address,
update_mmu_cache(vma, address, pte);
}
-/*
- * If architecture emulates "accessed" or "young" bit without HW support,
- * there is no much gain with fault_around.
- */
static unsigned long fault_around_bytes __read_mostly =
-#ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
- PAGE_SIZE;
-#else
rounddown_pow_of_two(65536);
-#endif
#ifdef CONFIG_DEBUG_FS
static int fault_around_bytes_get(void *data, u64 *val)
--
2.8.1
--
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