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| author | Peng Fan <peng.fan@nxp.com> | 2019-02-24 13:13:50 +0000 |
|---|---|---|
| committer | Dennis Zhou <dennis@kernel.org> | 2019-02-26 13:47:58 -0800 |
| commit | 1b046b445c0f856c3c1eed38a348bd87cc2dc730 (patch) | |
| tree | 33901e6d6c41fcc0c399b5ed58b8b6b889c68621 /mm/percpu-km.c | |
| parent | 2de7852fe9096e92c5f10faa472550a2a7121cea (diff) | |
| download | lwn-1b046b445c0f856c3c1eed38a348bd87cc2dc730.tar.gz lwn-1b046b445c0f856c3c1eed38a348bd87cc2dc730.zip | |
percpu: km: no need to consider pcpu_group_offsets[0]
percpu-km is used on UP systems which only has one group,
so the group offset will be always 0, there is no need
to subtract pcpu_group_offsets[0] when assigning chunk->base_addr
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Dennis Zhou <dennis@kernel.org>
Diffstat (limited to 'mm/percpu-km.c')
| -rw-r--r-- | mm/percpu-km.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/percpu-km.c b/mm/percpu-km.c index 0f643dc2dc65..b68d5df14731 100644 --- a/mm/percpu-km.c +++ b/mm/percpu-km.c @@ -67,7 +67,7 @@ static struct pcpu_chunk *pcpu_create_chunk(gfp_t gfp) pcpu_set_page_chunk(nth_page(pages, i), chunk); chunk->data = pages; - chunk->base_addr = page_address(pages) - pcpu_group_offsets[0]; + chunk->base_addr = page_address(pages); spin_lock_irqsave(&pcpu_lock, flags); pcpu_chunk_populated(chunk, 0, nr_pages, false); |