summaryrefslogtreecommitdiff
path: root/mm/compaction.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-17 09:40:52 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-17 09:40:52 -0700
commite13cef8ded69e469b56e150e30619693b91b1864 (patch)
tree6848fd484b7d0e42c235ac54290f72dfde45d9ad /mm/compaction.c
parentb762799dd8b03ec0aafc54ba165564902eac3e18 (diff)
parente086ed76671252d5b539854a83f8506be7bea05c (diff)
Merge tag 'iio-fixes-for-3.12c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-linus
Jonathan writes: Third set of IIO fixes for the 3.12 cycle. Two little ones this time: 1) A missing clk_unprepare in adf4350. 2) A missing free of the active_scan_mask when iio_disable_all_buffers is called during an unexpected device removal. This leak was introduced by the fix a87c82e454f184a9473f8cdfd4d304205f585f65 iio: Stop sampling when the device is removed and hence is a regression fix.
Diffstat (limited to 'mm/compaction.c')
-rw-r--r--mm/compaction.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index c43789388cd8..b5326b141a25 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -677,6 +677,13 @@ static void isolate_freepages(struct zone *zone,
pfn -= pageblock_nr_pages) {
unsigned long isolated;
+ /*
+ * This can iterate a massively long zone without finding any
+ * suitable migration targets, so periodically check if we need
+ * to schedule.
+ */
+ cond_resched();
+
if (!pfn_valid(pfn))
continue;