Messages in this thread Patch in this message | | | From | "Kirill A. Shutemov" <> | Subject | [PATCH 2/2] Revert "mm: disable fault around on emulated access bit architecture" | Date | Tue, 14 Jun 2016 11:42:30 +0300 |
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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@linux.intel.com> --- 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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