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Diffstat (limited to 'mm')
-rw-r--r--mm/kmemleak.c4
-rw-r--r--mm/memory.c11
2 files changed, 7 insertions, 8 deletions
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 5aabd41ffb8f..487267310a84 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -1217,7 +1217,6 @@ static void *kmemleak_seq_start(struct seq_file *seq, loff_t *pos)
}
object = NULL;
out:
- rcu_read_unlock();
return object;
}
@@ -1233,13 +1232,11 @@ static void *kmemleak_seq_next(struct seq_file *seq, void *v, loff_t *pos)
++(*pos);
- rcu_read_lock();
list_for_each_continue_rcu(n, &object_list) {
next_obj = list_entry(n, struct kmemleak_object, object_list);
if (get_object(next_obj))
break;
}
- rcu_read_unlock();
put_object(prev_obj);
return next_obj;
@@ -1255,6 +1252,7 @@ static void kmemleak_seq_stop(struct seq_file *seq, void *v)
* kmemleak_seq_start may return ERR_PTR if the scan_mutex
* waiting was interrupted, so only release it if !IS_ERR.
*/
+ rcu_read_unlock();
mutex_unlock(&scan_mutex);
if (v)
put_object(v);
diff --git a/mm/memory.c b/mm/memory.c
index 65216194eb8d..aede2ce3aba4 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -135,11 +135,12 @@ void pmd_clear_bad(pmd_t *pmd)
* Note: this doesn't free the actual pages themselves. That
* has been handled earlier when unmapping all the memory regions.
*/
-static void free_pte_range(struct mmu_gather *tlb, pmd_t *pmd)
+static void free_pte_range(struct mmu_gather *tlb, pmd_t *pmd,
+ unsigned long addr)
{
pgtable_t token = pmd_pgtable(*pmd);
pmd_clear(pmd);
- pte_free_tlb(tlb, token);
+ pte_free_tlb(tlb, token, addr);
tlb->mm->nr_ptes--;
}
@@ -157,7 +158,7 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud,
next = pmd_addr_end(addr, end);
if (pmd_none_or_clear_bad(pmd))
continue;
- free_pte_range(tlb, pmd);
+ free_pte_range(tlb, pmd, addr);
} while (pmd++, addr = next, addr != end);
start &= PUD_MASK;
@@ -173,7 +174,7 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud,
pmd = pmd_offset(pud, start);
pud_clear(pud);
- pmd_free_tlb(tlb, pmd);
+ pmd_free_tlb(tlb, pmd, start);
}
static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
@@ -206,7 +207,7 @@ static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
pud = pud_offset(pgd, start);
pgd_clear(pgd);
- pud_free_tlb(tlb, pud);
+ pud_free_tlb(tlb, pud, start);
}
/*