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authorJens Axboe <jaxboe@fusionio.com>2010-10-19 03:13:04 -0400
committerJens Axboe <jaxboe@fusionio.com>2010-10-19 03:13:04 -0400
commitfa251f89903d73989e2f63e13d0eaed1e07ce0da (patch)
tree3f7fe779941e3b6d67754dd7c44a32f48ea47c74 /mm/percpu.c
parentdd3932eddf428571762596e17b65f5dc92ca361b (diff)
parentcd07202cc8262e1669edff0d97715f3dd9260917 (diff)
Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier
Conflicts: block/blk-core.c drivers/block/loop.c mm/swapfile.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'mm/percpu.c')
-rw-r--r--mm/percpu.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/percpu.c b/mm/percpu.c
index e61dc2cc5873..c76ef3891e0d 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -393,7 +393,9 @@ static int pcpu_extend_area_map(struct pcpu_chunk *chunk, int new_alloc)
393 goto out_unlock; 393 goto out_unlock;
394 394
395 old_size = chunk->map_alloc * sizeof(chunk->map[0]); 395 old_size = chunk->map_alloc * sizeof(chunk->map[0]);
396 memcpy(new, chunk->map, old_size); 396 old = chunk->map;
397
398 memcpy(new, old, old_size);
397 399
398 chunk->map_alloc = new_alloc; 400 chunk->map_alloc = new_alloc;
399 chunk->map = new; 401 chunk->map = new;
@@ -1162,7 +1164,7 @@ static struct pcpu_alloc_info * __init pcpu_build_alloc_info(
1162 } 1164 }
1163 1165
1164 /* 1166 /*
1165 * Don't accept if wastage is over 25%. The 1167 * Don't accept if wastage is over 1/3. The
1166 * greater-than comparison ensures upa==1 always 1168 * greater-than comparison ensures upa==1 always
1167 * passes the following check. 1169 * passes the following check.
1168 */ 1170 */
@@ -1399,9 +1401,9 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai,
1399 1401
1400 if (pcpu_first_unit_cpu == NR_CPUS) 1402 if (pcpu_first_unit_cpu == NR_CPUS)
1401 pcpu_first_unit_cpu = cpu; 1403 pcpu_first_unit_cpu = cpu;
1404 pcpu_last_unit_cpu = cpu;
1402 } 1405 }
1403 } 1406 }
1404 pcpu_last_unit_cpu = cpu;
1405 pcpu_nr_units = unit; 1407 pcpu_nr_units = unit;
1406 1408
1407 for_each_possible_cpu(cpu) 1409 for_each_possible_cpu(cpu)