aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/mm/pgtable-generic.c
diff options
context:
space:
mode:
authorPaul Moore <pmoore@redhat.com>2014-01-23 15:52:06 -0500
committerPaul Moore <pmoore@redhat.com>2014-01-23 15:52:06 -0500
commit41be702a542a0d14bb0b1c16e824fa9ed27616ec (patch)
treee48942a05882da47544e179c6a0c920e00137a6a /mm/pgtable-generic.c
parentSELinux: Fix memory leak upon loading policy (diff)
parentLinux 3.13 (diff)
downloadwireguard-linux-41be702a542a0d14bb0b1c16e824fa9ed27616ec.tar.xz
wireguard-linux-41be702a542a0d14bb0b1c16e824fa9ed27616ec.zip
Merge tag 'v3.13' into next
Linux 3.13 Minor fixup needed in selinux_inet_conn_request() Conflicts: security/selinux/hooks.c
Diffstat (limited to 'mm/pgtable-generic.c')
-rw-r--r--mm/pgtable-generic.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c
index 3929a40bd6c0..a8b919925934 100644
--- a/mm/pgtable-generic.c
+++ b/mm/pgtable-generic.c
@@ -110,9 +110,10 @@ int pmdp_clear_flush_young(struct vm_area_struct *vma,
pte_t ptep_clear_flush(struct vm_area_struct *vma, unsigned long address,
pte_t *ptep)
{
+ struct mm_struct *mm = (vma)->vm_mm;
pte_t pte;
- pte = ptep_get_and_clear((vma)->vm_mm, address, ptep);
- if (pte_accessible(pte))
+ pte = ptep_get_and_clear(mm, address, ptep);
+ if (pte_accessible(mm, pte))
flush_tlb_page(vma, address);
return pte;
}
@@ -151,14 +152,14 @@ void pmdp_splitting_flush(struct vm_area_struct *vma, unsigned long address,
void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp,
pgtable_t pgtable)
{
- assert_spin_locked(&mm->page_table_lock);
+ assert_spin_locked(pmd_lockptr(mm, pmdp));
/* FIFO */
- if (!mm->pmd_huge_pte)
+ if (!pmd_huge_pte(mm, pmdp))
INIT_LIST_HEAD(&pgtable->lru);
else
- list_add(&pgtable->lru, &mm->pmd_huge_pte->lru);
- mm->pmd_huge_pte = pgtable;
+ list_add(&pgtable->lru, &pmd_huge_pte(mm, pmdp)->lru);
+ pmd_huge_pte(mm, pmdp) = pgtable;
}
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
#endif
@@ -170,14 +171,14 @@ pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp)
{
pgtable_t pgtable;
- assert_spin_locked(&mm->page_table_lock);
+ assert_spin_locked(pmd_lockptr(mm, pmdp));
/* FIFO */
- pgtable = mm->pmd_huge_pte;
+ pgtable = pmd_huge_pte(mm, pmdp);
if (list_empty(&pgtable->lru))
- mm->pmd_huge_pte = NULL;
+ pmd_huge_pte(mm, pmdp) = NULL;
else {
- mm->pmd_huge_pte = list_entry(pgtable->lru.next,
+ pmd_huge_pte(mm, pmdp) = list_entry(pgtable->lru.next,
struct page, lru);
list_del(&pgtable->lru);
}
@@ -191,6 +192,9 @@ pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp)
void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
pmd_t *pmdp)
{
+ pmd_t entry = *pmdp;
+ if (pmd_numa(entry))
+ entry = pmd_mknonnuma(entry);
set_pmd_at(vma->vm_mm, address, pmdp, pmd_mknotpresent(*pmdp));
flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
}