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It includes a usual set of fixes, cleanups and performance improvements together with a couple of new tests. All patches spent in -next for over 3 weeks with no issues. Thanks, Yury The following changes since commit 248951ddc14de84de3910f9b13f51491a8cd91df: Merge tag 'hwmon-for-v7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging (2026-07-21 08:34:39 -0700) are available in the Git repository at: https://github.com/norov/linux.git tags/bitmap-for-7.3 for you to fetch changes up to f4806cc63cc65bd752fd72d84937614dca6504ec: lib: test bitmap vs IDA vs Maple Tree performance for region allocations (2026-07-28 19:08:58 -0400) ---------------------------------------------------------------- bitmap updates for v7.3 - bitmap_find_next_zero_area_off() optimization (Sunyi); - bitmap_find_next_zero_area_off(): return size when no zero area is found (Yury); - bitmap vs IDA vs Maple Tree performance test (Yury); - get rid of cpumap_print_to_pagebuf() (Yury); - use nr_node_ids in __nodemask_pr_numnodes() (Li RongQing); - bitops: make the *_bit_le functions use unsigned long (Benjamin); - bitmap scatter & gather test fix (Christophe); - use __ASSEMBLER__ in bitmap header files (Thomas); ---------------------------------------------------------------- Benjamin Marzinski (1): bitops: make the *_bit_le functions use unsigned long Christophe Leroy (CS GROUP) (1): bitmap: Properly initialise destination bitmap for scatter & gather test Li RongQing (1): nodemask: reduce bitmap width to nr_node_ids in __nodemask_pr_numnodes() Thomas Huth (1): bitmap: Replace __ASSEMBLY__ with __ASSEMBLER__ in header files Yury Norov (19): psci: simplify hotplug_tests() arm: Use sysfs_emit() for cpumask show callbacks powerpc: Use sysfs_emit() for cpumask show callbacks x86/events: Use sysfs_emit() for cpumask show callbacks cpu: Use sysfs_emit() for cpumask show callback devfreq: Use sysfs_emit() for cpumask show callbacks fpga: dfl-fme-perf: Use sysfs_emit() for cpumask show hwtracing: hisi_ptt: Use sysfs_emit() for cpumask show RDMA/hfi1: Use sysfs_emit() for cpumask show helper PCI/sysfs: Use sysfs_emit() for cpumask show callbacks perf: Use sysfs_emit() for cpumask show callbacks lib/bitmap-str: get rid of cpumap_print_to_pagebuf() bitmap: drop bitmap_next_set_region() ARM: dma-mapping: Treat bitmap size as allocation failure powerpc/msi: Treat bitmap size as allocation failure crypto: ccp: Treat bitmap size as allocation failure media: s5p-mfc: Treat bitmap size as allocation failure bitmap: Return size when no zero area is found lib: test bitmap vs IDA vs Maple Tree performance for region allocations sunyi (2): lib: bitmap: add tests for bitmap_find_next_zero_area_off() lib: bitmap: optimize bitmap_find_next_zero_area_off() MAINTAINERS | 3 + arch/arm/mach-imx/mmdc.c | 2 +- arch/arm/mm/cache-l2x0-pmu.c | 2 +- arch/arm/mm/dma-mapping.c | 4 +- arch/powerpc/kernel/cacheinfo.c | 3 +- arch/powerpc/perf/hv-24x7.c | 2 +- arch/powerpc/perf/hv-gpci.c | 2 +- arch/powerpc/perf/imc-pmu.c | 2 +- arch/powerpc/sysdev/msi_bitmap.c | 2 +- arch/x86/events/amd/iommu.c | 2 +- arch/x86/events/amd/power.c | 2 +- arch/x86/events/amd/uncore.c | 2 +- arch/x86/events/intel/core.c | 2 +- arch/x86/events/intel/uncore.c | 2 +- drivers/base/cpu.c | 2 +- drivers/crypto/ccp/ccp-dev-v3.c | 2 +- drivers/crypto/ccp/ccp-dev-v5.c | 2 +- drivers/devfreq/event/rockchip-dfi.c | 2 +- drivers/devfreq/hisi_uncore_freq.c | 2 +- drivers/firmware/psci/psci_checker.c | 15 +- drivers/fpga/dfl-fme-perf.c | 2 +- drivers/hwtracing/ptt/hisi_ptt.c | 2 +- drivers/infiniband/hw/hfi1/sdma.c | 3 +- .../media/platform/samsung/s5p-mfc/s5p_mfc_opr.c | 2 +- drivers/pci/pci-sysfs.c | 7 +- drivers/perf/alibaba_uncore_drw_pmu.c | 2 +- drivers/perf/amlogic/meson_ddr_pmu_core.c | 2 +- drivers/perf/arm-cci.c | 2 +- drivers/perf/arm-ccn.c | 2 +- drivers/perf/arm-cmn.c | 2 +- drivers/perf/arm-ni.c | 2 +- drivers/perf/arm_cspmu/arm_cspmu.c | 2 +- drivers/perf/arm_dmc620_pmu.c | 4 +- drivers/perf/arm_dsu_pmu.c | 2 +- drivers/perf/arm_pmu.c | 2 +- drivers/perf/arm_smmuv3_pmu.c | 2 +- drivers/perf/arm_spe_pmu.c | 2 +- drivers/perf/cxl_pmu.c | 2 +- drivers/perf/dwc_pcie_pmu.c | 2 +- drivers/perf/fsl_imx8_ddr_perf.c | 2 +- drivers/perf/fsl_imx9_ddr_perf.c | 2 +- drivers/perf/fujitsu_uncore_pmu.c | 2 +- drivers/perf/hisilicon/hisi_pcie_pmu.c | 2 +- drivers/perf/hisilicon/hisi_uncore_pmu.c | 2 +- drivers/perf/marvell_cn10k_ddr_pmu.c | 2 +- drivers/perf/marvell_cn10k_tad_pmu.c | 2 +- drivers/perf/marvell_pem_pmu.c | 2 +- drivers/perf/nvidia_t410_c2c_pmu.c | 2 +- drivers/perf/nvidia_t410_cmem_latency_pmu.c | 2 +- drivers/perf/qcom_l2_pmu.c | 2 +- drivers/perf/qcom_l3_pmu.c | 2 +- drivers/perf/starfive_starlink_pmu.c | 2 +- drivers/perf/thunderx2_pmu.c | 2 +- drivers/perf/xgene_pmu.c | 2 +- include/asm-generic/bitops/le.h | 18 +- include/linux/bitmap.h | 15 +- include/linux/bits.h | 6 +- include/linux/cpumask.h | 19 -- include/linux/nodemask.h | 15 +- kernel/events/core.c | 2 +- lib/Kconfig.debug | 13 ++ lib/Makefile | 1 + lib/bitmap-str.c | 9 +- lib/bitmap.c | 30 +-- lib/find_bit_benchmark.c | 17 ++ lib/region_alloc_benchmark.c | 217 +++++++++++++++++++++ lib/test_bitmap.c | 39 ++++ tools/include/linux/bits.h | 6 +- 68 files changed, 402 insertions(+), 138 deletions(-) create mode 100644 lib/region_alloc_benchmark.c