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DkbZkO4J8nwQu+t2fhXxIC7O6ez1601hOjJDjjuyDHQaEwtlY7BA37UiT2gD4es0az7ad3ZXsGLyLCp+/Gfzpw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR11MB6093 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a -4.7% regression of will-it-scale.per_process_ops on: commit: 99fbb6bfc16f202adc411ad5d353db214750d121 ("mm: make folios_put() the basis of release_pages()") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master testcase: will-it-scale test machine: 104 threads 2 sockets (Skylake) with 192G memory parameters: nr_task: 100% mode: process test: page_fault2 cpufreq_governor: performance If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202403151058.7048f6a8-oliver.sang@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240315/202403151058.7048f6a8-oliver.sang@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase: gcc-12/performance/x86_64-rhel-8.3/process/100%/debian-12-x86_64-20240206.cgz/lkp-skl-fpga01/page_fault2/will-it-scale commit: 5dad604809 ("mm/khugepaged: keep mm in mm_slot without MMF_DISABLE_THP check") 99fbb6bfc1 ("mm: make folios_put() the basis of release_pages()") 5dad604809c5acc5 99fbb6bfc16f202adc411ad5d35 ---------------- --------------------------- %stddev %change %stddev \ | \ 0.02 ? 10% -0.0 0.02 ? 7% mpstat.cpu.all.soft% 26593 ? 3% -15.2% 22556 ? 4% perf-c2c.DRAM.local 225.67 ? 5% +59.8% 360.67 ? 3% perf-c2c.DRAM.remote 3864 +27.3% 4917 perf-c2c.HITM.local 250955 ? 4% -11.8% 221434 ? 6% sched_debug.cfs_rq:/.avg_vruntime.stddev 250955 ? 4% -11.8% 221433 ? 6% sched_debug.cfs_rq:/.min_vruntime.stddev 1408 ? 5% -20.0% 1126 ? 4% sched_debug.cpu.nr_switches.min 8839851 -4.7% 8423518 will-it-scale.104.processes 84998 -4.7% 80994 will-it-scale.per_process_ops 8839851 -4.7% 8423518 will-it-scale.workload 8905 ? 14% -37.5% 5565 ? 29% numa-vmstat.node0.nr_mapped 5594 ? 24% +64.1% 9182 ? 18% numa-vmstat.node1.nr_mapped 223619 ?125% +149.2% 557292 ? 35% numa-vmstat.node1.nr_unevictable 223619 ?125% +149.2% 557292 ? 35% numa-vmstat.node1.nr_zone_unevictable 34807 ? 14% -37.6% 21736 ? 30% numa-meminfo.node0.Mapped 16743687 ? 6% -8.4% 15343456 ? 5% numa-meminfo.node0.MemUsed 21509 ? 24% +65.6% 35626 ? 18% numa-meminfo.node1.Mapped 15757988 ? 6% +9.2% 17208425 ? 4% numa-meminfo.node1.MemUsed 128748 ? 12% +27.4% 163979 ? 9% numa-meminfo.node1.Slab 894476 ?125% +149.2% 2229168 ? 35% numa-meminfo.node1.Unevictable 110744 +3.9% 115041 proc-vmstat.nr_active_anon 1744461 -3.0% 1692770 proc-vmstat.nr_anon_pages 6880 +3.8% 7138 proc-vmstat.nr_page_table_pages 110744 +3.9% 115041 proc-vmstat.nr_zone_active_anon 2.693e+09 -4.8% 2.565e+09 proc-vmstat.numa_hit 2.683e+09 -4.8% 2.555e+09 proc-vmstat.numa_local 103708 +4.9% 108792 ? 2% proc-vmstat.pgactivate 2.672e+09 -4.8% 2.544e+09 proc-vmstat.pgalloc_normal 2.661e+09 -4.8% 2.534e+09 proc-vmstat.pgfault 2.669e+09 -4.7% 2.544e+09 proc-vmstat.pgfree 43665 ? 7% +11.4% 48633 ? 3% proc-vmstat.pgreuse 9.15e+09 -3.3% 8.845e+09 perf-stat.i.branch-instructions 0.47 +0.0 0.50 perf-stat.i.branch-miss-rate% 42741215 +1.6% 43433005 perf-stat.i.branch-misses 84.26 -4.3 79.96 perf-stat.i.cache-miss-rate% 7.696e+08 -4.3% 7.363e+08 perf-stat.i.cache-misses 9.114e+08 +0.8% 9.187e+08 perf-stat.i.cache-references 6.32 +3.5% 6.55 perf-stat.i.cpi 141.24 -4.3% 135.20 perf-stat.i.cpu-migrations 378.24 +4.6% 395.50 perf-stat.i.cycles-between-cache-misses 4.571e+10 -3.4% 4.416e+10 perf-stat.i.instructions 0.16 -3.3% 0.16 perf-stat.i.ipc 169.33 -4.8% 161.22 perf-stat.i.metric.K/sec 8806480 -4.8% 8384435 perf-stat.i.minor-faults 8806480 -4.8% 8384435 perf-stat.i.page-faults 21.63 -21.6 0.00 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.release_pages.__tlb_batch_free_encoded_pages 19.17 -19.2 0.00 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.release_pages.__tlb_batch_free_encoded_pages.tlb_flush_mmu 19.17 -19.2 0.00 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.release_pages.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range 44.89 -12.6 32.30 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_add_lru_vma.set_pte_range 44.90 -12.6 32.31 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_add_lru_vma.set_pte_range.finish_fault 44.84 -12.6 32.26 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folio_batch_move_lru.folio_add_lru_vma 46.08 -12.4 33.66 perf-profile.calltrace.cycles-pp.folio_batch_move_lru.folio_add_lru_vma.set_pte_range.finish_fault.do_fault 46.18 -12.4 33.76 perf-profile.calltrace.cycles-pp.folio_add_lru_vma.set_pte_range.finish_fault.do_fault.__handle_mm_fault 48.87 -12.2 36.65 perf-profile.calltrace.cycles-pp.finish_fault.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 61.81 -12.2 49.61 perf-profile.calltrace.cycles-pp.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault 63.82 -12.2 51.63 perf-profile.calltrace.cycles-pp.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.testcase 63.95 -12.2 51.76 perf-profile.calltrace.cycles-pp.exc_page_fault.asm_exc_page_fault.testcase 62.59 -12.2 50.40 perf-profile.calltrace.cycles-pp.handle_mm_fault.do_user_addr_fault.exc_page_fault.asm_exc_page_fault.testcase 61.24 -12.2 49.07 perf-profile.calltrace.cycles-pp.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault.exc_page_fault 47.21 -12.2 35.04 perf-profile.calltrace.cycles-pp.set_pte_range.finish_fault.do_fault.__handle_mm_fault.handle_mm_fault 71.03 -12.0 59.01 perf-profile.calltrace.cycles-pp.asm_exc_page_fault.testcase 74.04 -12.0 62.07 perf-profile.calltrace.cycles-pp.testcase 7.86 -0.3 7.58 ? 2% perf-profile.calltrace.cycles-pp.copy_page.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 0.61 ? 3% -0.1 0.56 ? 3% perf-profile.calltrace.cycles-pp.try_charge_memcg.__mem_cgroup_charge.folio_prealloc.do_fault.__handle_mm_fault 1.36 -0.0 1.32 perf-profile.calltrace.cycles-pp.__do_fault.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 0.90 -0.0 0.85 perf-profile.calltrace.cycles-pp.filemap_get_entry.shmem_get_folio_gfp.shmem_fault.__do_fault.do_fault 1.28 -0.0 1.24 perf-profile.calltrace.cycles-pp.shmem_fault.__do_fault.do_fault.__handle_mm_fault.handle_mm_fault 1.10 -0.0 1.05 perf-profile.calltrace.cycles-pp.shmem_get_folio_gfp.shmem_fault.__do_fault.do_fault.__handle_mm_fault 1.29 +0.1 1.35 perf-profile.calltrace.cycles-pp.zap_present_ptes.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas 0.59 +0.1 0.72 perf-profile.calltrace.cycles-pp.lru_add_fn.folio_batch_move_lru.folio_add_lru_vma.set_pte_range.finish_fault 0.57 ? 4% +0.3 0.84 perf-profile.calltrace.cycles-pp.__lruvec_stat_mod_folio.set_pte_range.finish_fault.do_fault.__handle_mm_fault 2.81 +0.4 3.20 perf-profile.calltrace.cycles-pp.folio_prealloc.do_fault.__handle_mm_fault.handle_mm_fault.do_user_addr_fault 1.21 +0.4 1.63 perf-profile.calltrace.cycles-pp.__mem_cgroup_charge.folio_prealloc.do_fault.__handle_mm_fault.handle_mm_fault 0.00 +0.6 0.57 ? 4% perf-profile.calltrace.cycles-pp.get_mem_cgroup_from_mm.__mem_cgroup_charge.folio_prealloc.do_fault.__handle_mm_fault 2.68 +1.4 4.04 perf-profile.calltrace.cycles-pp.release_pages.__tlb_batch_free_encoded_pages.tlb_finish_mmu.unmap_region.do_vmi_align_munmap 2.71 +1.4 4.07 perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_finish_mmu.unmap_region.do_vmi_align_munmap.do_vmi_munmap 2.71 +1.4 4.07 perf-profile.calltrace.cycles-pp.tlb_finish_mmu.unmap_region.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 0.00 +3.8 3.79 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folios_put_refs.release_pages.__tlb_batch_free_encoded_pages.tlb_finish_mmu 0.00 +4.0 4.03 perf-profile.calltrace.cycles-pp.folios_put_refs.release_pages.__tlb_batch_free_encoded_pages.tlb_finish_mmu.unmap_region 20.62 +10.6 31.18 perf-profile.calltrace.cycles-pp.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range.zap_pmd_range.unmap_page_range 20.62 +10.6 31.18 perf-profile.calltrace.cycles-pp.tlb_flush_mmu.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas 20.41 +10.6 30.99 perf-profile.calltrace.cycles-pp.release_pages.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range.zap_pmd_range 22.03 +10.6 32.64 perf-profile.calltrace.cycles-pp.zap_pte_range.zap_pmd_range.unmap_page_range.unmap_vmas.unmap_region 22.03 +10.6 32.64 perf-profile.calltrace.cycles-pp.unmap_page_range.unmap_vmas.unmap_region.do_vmi_align_munmap.do_vmi_munmap 22.03 +10.6 32.64 perf-profile.calltrace.cycles-pp.zap_pmd_range.unmap_page_range.unmap_vmas.unmap_region.do_vmi_align_munmap 22.03 +10.6 32.65 perf-profile.calltrace.cycles-pp.unmap_vmas.unmap_region.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap 24.78 +12.0 36.74 perf-profile.calltrace.cycles-pp.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 24.78 +12.0 36.74 perf-profile.calltrace.cycles-pp.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 24.78 +12.0 36.74 perf-profile.calltrace.cycles-pp.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64 24.78 +12.0 36.74 perf-profile.calltrace.cycles-pp.do_vmi_munmap.__vm_munmap.__x64_sys_munmap.do_syscall_64.entry_SYSCALL_64_after_hwframe 24.77 +12.0 36.74 perf-profile.calltrace.cycles-pp.unmap_region.do_vmi_align_munmap.do_vmi_munmap.__vm_munmap.__x64_sys_munmap 24.78 +12.0 36.74 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__munmap 24.78 +12.0 36.74 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__munmap 24.78 +12.0 36.74 perf-profile.calltrace.cycles-pp.__munmap 0.00 +29.4 29.41 perf-profile.calltrace.cycles-pp.folio_lruvec_lock_irqsave.folios_put_refs.release_pages.__tlb_batch_free_encoded_pages.tlb_flush_mmu 0.00 +30.9 30.87 perf-profile.calltrace.cycles-pp.folios_put_refs.release_pages.__tlb_batch_free_encoded_pages.tlb_flush_mmu.zap_pte_range 0.00 +33.1 33.14 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folios_put_refs.release_pages 0.00 +33.2 33.18 perf-profile.calltrace.cycles-pp._raw_spin_lock_irqsave.folio_lruvec_lock_irqsave.folios_put_refs.release_pages.__tlb_batch_free_encoded_pages 46.16 -12.4 33.72 perf-profile.children.cycles-pp.folio_batch_move_lru 46.19 -12.4 33.77 perf-profile.children.cycles-pp.folio_add_lru_vma 48.88 -12.2 36.66 perf-profile.children.cycles-pp.finish_fault 61.83 -12.2 49.63 perf-profile.children.cycles-pp.__handle_mm_fault 63.97 -12.2 51.77 perf-profile.children.cycles-pp.exc_page_fault 63.84 -12.2 51.65 perf-profile.children.cycles-pp.do_user_addr_fault 62.61 -12.2 50.42 perf-profile.children.cycles-pp.handle_mm_fault 61.26 -12.2 49.08 perf-profile.children.cycles-pp.do_fault 47.22 -12.2 35.05 perf-profile.children.cycles-pp.set_pte_range 69.07 -12.1 56.99 perf-profile.children.cycles-pp.asm_exc_page_fault 75.04 -11.9 63.09 perf-profile.children.cycles-pp.testcase 66.59 -1.1 65.49 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 66.62 -1.1 65.56 perf-profile.children.cycles-pp._raw_spin_lock_irqsave 66.62 -1.1 65.57 perf-profile.children.cycles-pp.folio_lruvec_lock_irqsave 7.92 -0.3 7.62 perf-profile.children.cycles-pp.copy_page 0.28 -0.1 0.20 ? 2% perf-profile.children.cycles-pp.mem_cgroup_update_lru_size 0.62 ? 3% -0.1 0.56 ? 3% perf-profile.children.cycles-pp.try_charge_memcg 1.14 -0.0 1.09 perf-profile.children.cycles-pp.shmem_get_folio_gfp 0.18 ? 2% -0.0 0.13 ? 2% perf-profile.children.cycles-pp.uncharge_folio 1.37 -0.0 1.32 perf-profile.children.cycles-pp.__do_fault 1.35 -0.0 1.30 perf-profile.children.cycles-pp._raw_spin_lock 1.28 -0.0 1.24 perf-profile.children.cycles-pp.shmem_fault 0.90 -0.0 0.86 perf-profile.children.cycles-pp.filemap_get_entry 0.66 -0.0 0.64 perf-profile.children.cycles-pp.___perf_sw_event 0.07 ? 5% -0.0 0.05 ? 8% perf-profile.children.cycles-pp.main 0.07 ? 5% -0.0 0.05 ? 8% perf-profile.children.cycles-pp.run_builtin 0.06 -0.0 0.05 perf-profile.children.cycles-pp.record__mmap_read_evlist 0.14 ? 3% +0.0 0.16 ? 3% perf-profile.children.cycles-pp.update_process_times 0.04 ? 44% +0.0 0.06 perf-profile.children.cycles-pp.page_counter_try_charge 0.42 +0.0 0.44 perf-profile.children.cycles-pp.free_unref_page_list 0.21 ? 2% +0.0 0.23 ? 2% perf-profile.children.cycles-pp.__hrtimer_run_queues 0.08 ? 4% +0.0 0.10 ? 4% perf-profile.children.cycles-pp.get_pfnblock_flags_mask 0.14 ? 3% +0.0 0.17 ? 2% perf-profile.children.cycles-pp.free_unref_page_prepare 0.25 +0.0 0.27 ? 2% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt 0.24 +0.0 0.27 ? 2% perf-profile.children.cycles-pp.hrtimer_interrupt 0.31 +0.0 0.34 perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.28 +0.0 0.30 ? 2% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 1.02 +0.0 1.06 perf-profile.children.cycles-pp.native_irq_return_iret 2.33 +0.1 2.38 perf-profile.children.cycles-pp.__irqentry_text_end 1.32 +0.1 1.37 perf-profile.children.cycles-pp.zap_present_ptes 0.28 ? 8% +0.1 0.37 ? 5% perf-profile.children.cycles-pp.__count_memcg_events 0.36 +0.1 0.46 ? 2% perf-profile.children.cycles-pp.folio_remove_rmap_ptes 0.28 ? 7% +0.1 0.38 ? 4% perf-profile.children.cycles-pp.mem_cgroup_commit_charge 0.60 +0.1 0.74 perf-profile.children.cycles-pp.lru_add_fn 0.00 +0.2 0.22 ? 2% perf-profile.children.cycles-pp.page_counter_uncharge 0.19 ? 2% +0.2 0.43 ? 2% perf-profile.children.cycles-pp.__mem_cgroup_uncharge_list 0.00 +0.3 0.28 ? 2% perf-profile.children.cycles-pp.uncharge_batch 0.26 ? 11% +0.3 0.58 ? 4% perf-profile.children.cycles-pp.get_mem_cgroup_from_mm 0.57 ? 2% +0.3 0.90 ? 2% perf-profile.children.cycles-pp.__mod_memcg_lruvec_state 0.81 ? 3% +0.4 1.19 perf-profile.children.cycles-pp.__lruvec_stat_mod_folio 2.83 +0.4 3.22 perf-profile.children.cycles-pp.folio_prealloc 1.22 +0.4 1.64 perf-profile.children.cycles-pp.__mem_cgroup_charge 2.72 +1.4 4.08 perf-profile.children.cycles-pp.tlb_finish_mmu 20.62 +10.6 31.18 perf-profile.children.cycles-pp.tlb_flush_mmu 22.04 +10.6 32.65 perf-profile.children.cycles-pp.unmap_vmas 22.04 +10.6 32.65 perf-profile.children.cycles-pp.unmap_page_range 22.04 +10.6 32.65 perf-profile.children.cycles-pp.zap_pmd_range 22.03 +10.6 32.65 perf-profile.children.cycles-pp.zap_pte_range 23.23 +11.8 35.04 perf-profile.children.cycles-pp.release_pages 23.34 +11.9 35.26 perf-profile.children.cycles-pp.__tlb_batch_free_encoded_pages 24.90 +12.0 36.85 perf-profile.children.cycles-pp.do_syscall_64 24.90 +12.0 36.85 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 24.78 +12.0 36.74 perf-profile.children.cycles-pp.do_vmi_align_munmap 24.78 +12.0 36.74 perf-profile.children.cycles-pp.do_vmi_munmap 24.78 +12.0 36.74 perf-profile.children.cycles-pp.__x64_sys_munmap 24.78 +12.0 36.74 perf-profile.children.cycles-pp.__vm_munmap 24.78 +12.0 36.74 perf-profile.children.cycles-pp.unmap_region 24.78 +12.0 36.74 perf-profile.children.cycles-pp.__munmap 0.00 +35.1 35.05 perf-profile.children.cycles-pp.folios_put_refs 66.59 -1.1 65.49 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 7.90 -0.3 7.60 ? 2% perf-profile.self.cycles-pp.copy_page 0.40 -0.3 0.11 ? 6% perf-profile.self.cycles-pp.release_pages 0.27 -0.1 0.19 ? 3% perf-profile.self.cycles-pp.mem_cgroup_update_lru_size 0.56 ? 3% -0.1 0.50 ? 4% perf-profile.self.cycles-pp.try_charge_memcg 0.17 ? 2% -0.1 0.12 ? 3% perf-profile.self.cycles-pp.uncharge_folio 1.34 -0.0 1.30 perf-profile.self.cycles-pp._raw_spin_lock 0.24 -0.0 0.21 ? 2% perf-profile.self.cycles-pp.zap_present_ptes 0.51 -0.0 0.48 perf-profile.self.cycles-pp.filemap_get_entry 0.27 ? 2% -0.0 0.25 perf-profile.self.cycles-pp.handle_mm_fault 0.66 -0.0 0.64 perf-profile.self.cycles-pp._compound_head 0.40 -0.0 0.38 perf-profile.self.cycles-pp.__handle_mm_fault 0.12 ? 4% -0.0 0.11 ? 3% perf-profile.self.cycles-pp.free_unref_page_list 0.09 +0.0 0.10 perf-profile.self.cycles-pp.vma_alloc_folio 0.08 +0.0 0.10 ? 3% perf-profile.self.cycles-pp.get_pfnblock_flags_mask 0.06 +0.0 0.08 ? 5% perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.02 ?141% +0.0 0.06 ? 9% perf-profile.self.cycles-pp.page_counter_try_charge 0.36 +0.0 0.40 ? 3% perf-profile.self.cycles-pp.folio_batch_move_lru 1.01 +0.0 1.05 perf-profile.self.cycles-pp.native_irq_return_iret 0.30 +0.0 0.34 perf-profile.self.cycles-pp.lru_add_fn 0.06 ? 11% +0.0 0.11 ? 4% perf-profile.self.cycles-pp.__mem_cgroup_charge 2.33 +0.1 2.38 perf-profile.self.cycles-pp.__irqentry_text_end 0.08 ? 6% +0.1 0.16 ? 3% perf-profile.self.cycles-pp.mem_cgroup_commit_charge 0.24 ? 9% +0.1 0.32 ? 4% perf-profile.self.cycles-pp.__count_memcg_events 0.30 ? 11% +0.2 0.47 ? 6% perf-profile.self.cycles-pp.__lruvec_stat_mod_folio 0.00 +0.2 0.19 ? 3% perf-profile.self.cycles-pp.page_counter_uncharge 0.26 ? 10% +0.3 0.56 ? 4% perf-profile.self.cycles-pp.get_mem_cgroup_from_mm 0.48 ? 2% +0.3 0.80 ? 2% perf-profile.self.cycles-pp.__mod_memcg_lruvec_state 0.00 +0.4 0.41 perf-profile.self.cycles-pp.folios_put_refs Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki