Messages in this thread Patch in this message | | | From | Dennis Zhou <> | Subject | [PATCH 1/2] percpu: fix starting offset for chunk statistics traversal | Date | Wed, 27 Sep 2017 16:34:59 -0500 |
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This patch fixes the starting offset used when scanning chunks to compute the chunk statistics. The value start_offset (and end_offset) are managed in bytes while the traversal occurs over bits. Thus for the reserved and dynamic chunk, it may incorrectly skip over the initial allocations.
Signed-off-by: Dennis Zhou <dennisszhou@gmail.com> --- mm/percpu-stats.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/percpu-stats.c b/mm/percpu-stats.c index 6142484..7a58460 100644 --- a/mm/percpu-stats.c +++ b/mm/percpu-stats.c @@ -73,7 +73,7 @@ static void chunk_map_stats(struct seq_file *m, struct pcpu_chunk *chunk, last_alloc + 1 : 0; as_len = 0; - start = chunk->start_offset; + start = chunk->start_offset / PCPU_MIN_ALLOC_SIZE; /* * If a bit is set in the allocation map, the bound_map identifies -- 1.8.3.1
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