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author | Yury Norov <[email protected]> | 2021-08-14 14:17:10 -0700 |
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committer | Yury Norov <[email protected]> | 2022-01-15 08:47:31 -0800 |
commit | 801a57365fc836d7ec866e2069d0b21d79925c1e (patch) | |
tree | 76af2ac9496f91c85eb00a66be42235c82a1bbc6 /net/lapb/lapb_in.c | |
parent | 749443de8dde3b8b420ee8b4daac4d929a6adeb9 (diff) |
mm/percpu: micro-optimize pcpu_is_populated()
bitmap_next_clear_region() calls find_next_zero_bit() and find_next_bit()
sequentially to find a range of clear bits. In case of pcpu_is_populated()
there's a chance to return earlier if bitmap has all bits set.
Signed-off-by: Yury Norov <[email protected]>
Tested-by: Wolfram Sang <[email protected]>
Acked-by: Dennis Zhou <[email protected]>
Diffstat (limited to 'net/lapb/lapb_in.c')
0 files changed, 0 insertions, 0 deletions