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authorPawit Pornkitprasan <p.pawit@gmail.com>2012-11-20 19:27:29 +0700
committerPawit Pornkitprasan <p.pawit@gmail.com>2012-11-20 19:27:29 +0700
commitcc7f0ca4b92d7da9d3a7bd674bfd454cc69e7780 (patch)
tree6ffdbe4122642c18f7dbf3eecd93794d49987dcb /mm/percpu.c
parent67196921fba94cf21b6c2de7da422d536fc9471d (diff)
parent89d2d133c6947c04a8ab539b997f266535beaafe (diff)
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Merge 3.0.52
Merge branch 'linux-3.0.y' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into jellybean-next Conflicts: drivers/net/tun.c kernel/time/timekeeping.c Change-Id: Iba7fc59ca05114d9e7bade8dfc5bb45229ebf075
Diffstat (limited to 'mm/percpu.c')
-rw-r--r--mm/percpu.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/percpu.c b/mm/percpu.c
index 0ae7a09..af0cc7a 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1630,6 +1630,16 @@ int __init pcpu_embed_first_chunk(size_t reserved_size, size_t dyn_size,
areas[group] = ptr;
base = min(ptr, base);
+ }
+
+ /*
+ * Copy data and free unused parts. This should happen after all
+ * allocations are complete; otherwise, we may end up with
+ * overlapping groups.
+ */
+ for (group = 0; group < ai->nr_groups; group++) {
+ struct pcpu_group_info *gi = &ai->groups[group];
+ void *ptr = areas[group];
for (i = 0; i < gi->nr_units; i++, ptr += ai->unit_size) {
if (gi->cpu_map[i] == NR_CPUS) {