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| H A D | percpu.c | diff d33d9f3dd96ba290bad3929f82990a0a7467ae90 Tue Feb 26 19:46:48 CET 2019 Dennis Zhou <dennis@kernel.org> percpu: use chunk scan_hint to skip some scanning
Just like blocks, chunks now maintain a scan_hint. This can be used to
skip some scanning by promoting the scan_hint to be the contig_hint.
The chunk's scan_hint is primarily updated on the backside and relies on
full scanning when a block becomes free or the free region spans across
blocks.
Signed-off-by: Dennis Zhou <dennis@kernel.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
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