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authorLinus Torvalds <torvalds@linux-foundation.org>2019-05-13 15:34:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-05-13 15:34:03 -0700
commit3aff5fac54d722f363eac7db94536bffb55ca43f (patch)
treecd778c4e8e9ebc5a42f5fea13d3fec12b35dfe87 /fs
parent0aed4b28187078565cafbfe86b62f941d580d840 (diff)
parent198790d9a3aeaef5792d33a560020861126edc22 (diff)
Merge branch 'for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
Pull percpu updates from Dennis Zhou: - scan hint update which helps address performance issues with heavily fragmented blocks - lockdep fix when freeing an allocation causes balance work to be scheduled * 'for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu: percpu: remove spurious lock dependency between percpu and sched percpu: use chunk scan_hint to skip some scanning percpu: convert chunk hints to be based on pcpu_block_md percpu: make pcpu_block_md generic percpu: use block scan_hint to only scan forward percpu: remember largest area skipped during allocation percpu: add block level scan_hint percpu: set PCPU_BITMAP_BLOCK_SIZE to PAGE_SIZE percpu: relegate chunks unusable when failing small allocations percpu: manage chunks based on contig_bits instead of free_bytes percpu: introduce helper to determine if two regions overlap percpu: do not search past bitmap when allocating an area percpu: update free path with correct new free region
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