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power: supply: ltc2941-battery-gauge: fix use-after-free
[sagit-ice-cold/kernel_xiaomi_msm8998.git]
/
mm
/
swap_cgroup.c
diff --git
a/mm/swap_cgroup.c
b/mm/swap_cgroup.c
index
b5f7f24
..
09f733b
100644
(file)
--- a/
mm/swap_cgroup.c
+++ b/
mm/swap_cgroup.c
@@
-48,6
+48,9
@@
static int swap_cgroup_prepare(int type)
if (!page)
goto not_enough_page;
ctrl->map[idx] = page;
if (!page)
goto not_enough_page;
ctrl->map[idx] = page;
+
+ if (!(idx % SWAP_CLUSTER_MAX))
+ cond_resched();
}
return 0;
not_enough_page:
}
return 0;
not_enough_page:
@@
-202,6
+205,8
@@
void swap_cgroup_swapoff(int type)
struct page *page = map[i];
if (page)
__free_page(page);
struct page *page = map[i];
if (page)
__free_page(page);
+ if (!(i % SWAP_CLUSTER_MAX))
+ cond_resched();
}
vfree(map);
}
}
vfree(map);
}