usb: phy: tegra: Program new PHY parameters

[~andy/linux] / mm / huge_memory.c

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 6b785e17b67936a71d0570af40a1a6dca01cb6d4..243e710c6039a287f93ec9f303639c7316dbdf0e 100644 (file)
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -729,8 +729,8 @@ static int __do_huge_pmd_anonymous_page(struct mm_struct *mm,
                pmd_t entry;
                entry = mk_huge_pmd(page, vma);
                page_add_new_anon_rmap(page, vma, haddr);
-               set_pmd_at(mm, haddr, pmd, entry);
                pgtable_trans_huge_deposit(mm, pmd, pgtable);
+               set_pmd_at(mm, haddr, pmd, entry);
                add_mm_counter(mm, MM_ANONPAGES, HPAGE_PMD_NR);
                mm->nr_ptes++;
                spin_unlock(&mm->page_table_lock);
@@ -771,8 +771,8 @@ static bool set_huge_zero_page(pgtable_t pgtable, struct mm_struct *mm,
        entry = mk_pmd(zero_page, vma->vm_page_prot);
        entry = pmd_wrprotect(entry);
        entry = pmd_mkhuge(entry);
-       set_pmd_at(mm, haddr, pmd, entry);
        pgtable_trans_huge_deposit(mm, pmd, pgtable);
+       set_pmd_at(mm, haddr, pmd, entry);
        mm->nr_ptes++;
        return true;
 }
@@ -916,8 +916,8 @@ int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm,
 
        pmdp_set_wrprotect(src_mm, addr, src_pmd);
        pmd = pmd_mkold(pmd_wrprotect(pmd));
-       set_pmd_at(dst_mm, addr, dst_pmd, pmd);
        pgtable_trans_huge_deposit(dst_mm, dst_pmd, pgtable);
+       set_pmd_at(dst_mm, addr, dst_pmd, pmd);
        dst_mm->nr_ptes++;
 
        ret = 0;
@@ -1360,9 +1360,15 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
                struct page *page;
                pgtable_t pgtable;
                pmd_t orig_pmd;
-               pgtable = pgtable_trans_huge_withdraw(tlb->mm, pmd);
+               /*
+                * For architectures like ppc64 we look at deposited pgtable
+                * when calling pmdp_get_and_clear. So do the
+                * pgtable_trans_huge_withdraw after finishing pmdp related
+                * operations.
+                */
                orig_pmd = pmdp_get_and_clear(tlb->mm, addr, pmd);
                tlb_remove_pmd_tlb_entry(tlb, pmd, addr);
+               pgtable = pgtable_trans_huge_withdraw(tlb->mm, pmd);
                if (is_huge_zero_pmd(orig_pmd)) {
                        tlb->mm->nr_ptes--;
                        spin_unlock(&tlb->mm->page_table_lock);
@@ -1431,7 +1437,7 @@ int move_huge_pmd(struct vm_area_struct *vma, struct vm_area_struct *new_vma,
        if (ret == 1) {
                pmd = pmdp_get_and_clear(mm, old_addr, old_pmd);
                VM_BUG_ON(!pmd_none(*new_pmd));
-               set_pmd_at(mm, new_addr, new_pmd, pmd);
+               set_pmd_at(mm, new_addr, new_pmd, pmd_mksoft_dirty(pmd));
                spin_unlock(&mm->page_table_lock);
        }
 out:
@@ -2361,9 +2367,9 @@ static void collapse_huge_page(struct mm_struct *mm,
        spin_lock(&mm->page_table_lock);
        BUG_ON(!pmd_none(*pmd));
        page_add_new_anon_rmap(new_page, vma, address);
+       pgtable_trans_huge_deposit(mm, pmd, pgtable);
        set_pmd_at(mm, address, pmd, _pmd);
        update_mmu_cache_pmd(vma, address, pmd);
-       pgtable_trans_huge_deposit(mm, pmd, pgtable);
        spin_unlock(&mm->page_table_lock);
 
        *hpage = NULL;