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authorIngo Molnar <mingo@kernel.org>2019-06-17 12:12:27 +0200
committerIngo Molnar <mingo@kernel.org>2019-06-17 12:12:27 +0200
commit23da766ab1dc005860b675bf048226a11a748bf9 (patch)
tree3f8dbfc2cf68f5da3faa3a377087b06dd8ad343d /mm/mlock.c
parentaf75d1a9a9f75bf030c2f35705f1ff6d226f96fe (diff)
parent9e0babf2c06c73cda2c0cd37a1653d823adb40ec (diff)
Merge tag 'v5.2-rc5' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/mlock.c')
-rw-r--r--mm/mlock.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/mlock.c b/mm/mlock.c
index 080f3b36415b..a90099da4fb4 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -636,11 +636,11 @@ static int apply_vma_lock_flags(unsigned long start, size_t len,
* is also counted.
* Return value: previously mlocked page counts
*/
-static int count_mm_mlocked_page_nr(struct mm_struct *mm,
+static unsigned long count_mm_mlocked_page_nr(struct mm_struct *mm,
unsigned long start, size_t len)
{
struct vm_area_struct *vma;
- int count = 0;
+ unsigned long count = 0;
if (mm == NULL)
mm = current->mm;
@@ -797,7 +797,8 @@ SYSCALL_DEFINE1(mlockall, int, flags)
unsigned long lock_limit;
int ret;
- if (!flags || (flags & ~(MCL_CURRENT | MCL_FUTURE | MCL_ONFAULT)))
+ if (!flags || (flags & ~(MCL_CURRENT | MCL_FUTURE | MCL_ONFAULT)) ||
+ flags == MCL_ONFAULT)
return -EINVAL;
if (!can_do_mlock())