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Diffstat (limited to 'mm/huge_memory.c')
-rw-r--r--mm/huge_memory.c29
1 files changed, 11 insertions, 18 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 078832cf3..097c7a4bf 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1031,7 +1031,7 @@ static int do_huge_pmd_wp_page_fallback(struct mm_struct *mm,
goto out_free_pages;
VM_BUG_ON_PAGE(!PageHead(page), page);
- pmdp_clear_flush_notify(vma, haddr, pmd);
+ pmdp_huge_clear_flush_notify(vma, haddr, pmd);
/* leave pmd empty until pte is filled */
pgtable = pgtable_trans_huge_withdraw(mm, pmd);
@@ -1174,7 +1174,7 @@ alloc:
pmd_t entry;
entry = mk_huge_pmd(new_page, vma->vm_page_prot);
entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma);
- pmdp_clear_flush_notify(vma, haddr, pmd);
+ pmdp_huge_clear_flush_notify(vma, haddr, pmd);
page_add_new_anon_rmap(new_page, vma, haddr);
mem_cgroup_commit_charge(new_page, memcg, false);
lru_cache_add_active_or_unevictable(new_page, vma);
@@ -1396,12 +1396,12 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
pmd_t orig_pmd;
/*
* For architectures like ppc64 we look at deposited pgtable
- * when calling pmdp_get_and_clear. So do the
+ * when calling pmdp_huge_get_and_clear. So do the
* pgtable_trans_huge_withdraw after finishing pmdp related
* operations.
*/
- orig_pmd = pmdp_get_and_clear_full(tlb->mm, addr, pmd,
- tlb->fullmm);
+ orig_pmd = pmdp_huge_get_and_clear_full(tlb->mm, addr, pmd,
+ tlb->fullmm);
tlb_remove_pmd_tlb_entry(tlb, pmd, addr);
pgtable = pgtable_trans_huge_withdraw(tlb->mm, pmd);
if (is_huge_zero_pmd(orig_pmd)) {
@@ -1459,7 +1459,7 @@ int move_huge_pmd(struct vm_area_struct *vma, struct vm_area_struct *new_vma,
new_ptl = pmd_lockptr(mm, new_pmd);
if (new_ptl != old_ptl)
spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING);
- pmd = pmdp_get_and_clear(mm, old_addr, old_pmd);
+ pmd = pmdp_huge_get_and_clear(mm, old_addr, old_pmd);
VM_BUG_ON(!pmd_none(*new_pmd));
if (pmd_move_must_withdraw(new_ptl, old_ptl)) {
@@ -1505,7 +1505,7 @@ int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
}
if (!prot_numa || !pmd_protnone(*pmd)) {
- entry = pmdp_get_and_clear_notify(mm, addr, pmd);
+ entry = pmdp_huge_get_and_clear_notify(mm, addr, pmd);
entry = pmd_modify(entry, newprot);
if (preserve_write)
entry = pmd_mkwrite(entry);
@@ -1676,12 +1676,7 @@ static void __split_huge_page_refcount(struct page *page,
/* after clearing PageTail the gup refcount can be released */
smp_mb__after_atomic();
- /*
- * retain hwpoison flag of the poisoned tail page:
- * fix for the unsuitable process killed on Guest Machine(KVM)
- * by the memory-failure.
- */
- page_tail->flags &= ~PAGE_FLAGS_CHECK_AT_PREP | __PG_HWPOISON;
+ page_tail->flags &= ~PAGE_FLAGS_CHECK_AT_PREP;
page_tail->flags |= (page->flags &
((1L << PG_referenced) |
(1L << PG_swapbacked) |
@@ -2499,7 +2494,7 @@ static void collapse_huge_page(struct mm_struct *mm,
* huge and small TLB entries for the same virtual address
* to avoid the risk of CPU bugs in that area.
*/
- _pmd = pmdp_clear_flush(vma, address, pmd);
+ _pmd = pmdp_collapse_flush(vma, address, pmd);
spin_unlock(pmd_ptl);
mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);
@@ -2799,7 +2794,7 @@ static void khugepaged_do_scan(void)
cond_resched();
- if (unlikely(kthread_should_stop() || freezing(current)))
+ if (unlikely(kthread_should_stop() || try_to_freeze()))
break;
spin_lock(&khugepaged_mm_lock);
@@ -2820,8 +2815,6 @@ static void khugepaged_do_scan(void)
static void khugepaged_wait_work(void)
{
- try_to_freeze();
-
if (khugepaged_has_work()) {
if (!khugepaged_scan_sleep_millisecs)
return;
@@ -2865,7 +2858,7 @@ static void __split_huge_zero_page_pmd(struct vm_area_struct *vma,
pmd_t _pmd;
int i;
- pmdp_clear_flush_notify(vma, haddr, pmd);
+ pmdp_huge_clear_flush_notify(vma, haddr, pmd);
/* leave pmd empty until pte is filled */
pgtable = pgtable_trans_huge_withdraw(mm, pmd);