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| author | Tejun Heo <tj@kernel.org> | 2014-09-02 14:46:05 -0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2014-09-02 14:46:05 -0400 |
| commit | b539b87fed37ffc16c89a6bc3beca2d7aed82e1c (patch) | |
| tree | 62657355b1f570ca9fe4cee455a41125e84dce7c /mm/percpu-km.c | |
| parent | 9c824b6a172c8d44a6b037946bae90127c969b1b (diff) | |
| download | op-kernel-dev-b539b87fed37ffc16c89a6bc3beca2d7aed82e1c.zip op-kernel-dev-b539b87fed37ffc16c89a6bc3beca2d7aed82e1c.tar.gz | |
percpu: implmeent pcpu_nr_empty_pop_pages and chunk->nr_populated
pcpu_nr_empty_pop_pages counts the number of empty populated pages
across all chunks and chunk->nr_populated counts the number of
populated pages in a chunk. Both will be used to implement pre/async
population for atomic allocations.
pcpu_chunk_[de]populated() are added to update chunk->populated,
chunk->nr_populated and pcpu_nr_empty_pop_pages together. All
successful chunk [de]populations should be followed by the
corresponding pcpu_chunk_[de]populated() calls.
Signed-off-by: Tejun Heo <tj@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 e662b49..10e3d0b 100644 --- a/mm/percpu-km.c +++ b/mm/percpu-km.c @@ -69,7 +69,7 @@ static struct pcpu_chunk *pcpu_create_chunk(void) chunk->base_addr = page_address(pages) - pcpu_group_offsets[0]; spin_lock_irq(&pcpu_lock); - bitmap_fill(chunk->populated, nr_pages); + pcpu_chunk_populated(chunk, 0, nr_pages); spin_unlock_irq(&pcpu_lock); return chunk; |
