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Date: Tue, 11 Sep 2012 09:40:20 +0900 From: Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com> To: Lai Jiangshan <laijs@...fujitsu.com> CC: Mel Gorman <mgorman@...e.de>, David Rientjes <rientjes@...gle.com>, LKML <linux-kernel@...r.kernel.org>, x86 maintainers <x86@...nel.org>, Jiang Liu <jiang.liu@...wei.com>, Rusty Russell <rusty@...tcorp.com.au>, Yinghai Lu <yinghai@...nel.org>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [V4 PATCH 00/26] memory,numa: introduce MOVABLE-dedicated node and online_movable for hotplug Hi Lai, Using memory_online to hot-added node's memory, the following kernel messages were shown. Is this a known issue? [ 327.837408] ------------[ cut here ]------------ [ 327.892556] kernel BUG at mm/page_alloc.c:553! [ 327.945621] invalid opcode: 0000 [#1] SMP [ 327.994748] Modules linked in: sunrpc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables binfmt_misc vfat fat dm_mirror dm_region_hash dm_log dm_mod uinput iTCO_wdt iTCO_vendor_support coretemp kvm_intel kvm crc32c_intel microcode pcspkr i2c_i801 i2c_core lpc_ich mfd_core ioatdma i7core_edac edac_core sg e1000e igb dca sd_mod crc_t10dif lpfc scsi_transport_fc scsi_tgt mptsas mptscsih mptbase scsi_transport_sas scsi_mod [ 328.560103] CPU 0 [ 328.582021] Pid: 2445, comm: bash Not tainted 3.6.0-rc5-removable-node+ #1 FUJITSU-SV PRIMEQUEST 1800E/SB [ 328.698524] RIP: 0010:[<ffffffff8116ffdc>] [<ffffffff8116ffdc>] free_pcppages_bulk+0x4ec/0x540 [ 328.802580] RSP: 0018:ffff8807875f9b88 EFLAGS: 00010002 [ 328.866025] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001 [ 328.951273] RDX: 0000000000000002 RSI: ffffea007fe00000 RDI: ffff880764801680 [ 329.036522] RBP: ffff8807875f9c38 R08: 0000000001ff8000 R09: ffff880764801740 [ 329.121771] R10: 0000000001800000 R11: 0000000000000001 R12: 0000000000000002 [ 329.207022] R13: ffffea007fe00000 R14: ffff880764801680 R15: ffffea007fe00020 [ 329.292270] FS: 00007ff533e92700(0000) GS:ffff8807c1800000(0000) knlGS:0000000000000000 [ 329.388942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 329.457575] CR2: ffffffffff600400 CR3: 00000007b6826000 CR4: 00000000000007f0 [ 329.542826] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 329.628075] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 329.713326] Process bash (pid: 2445, threadinfo ffff8807875f8000, task ffff8807b72ccca0) [ 329.809993] Stack: [ 329.833984] ffff881ff8000000 0000000000000000 0000000000000000 0000000000000000 [ 329.922788] ffffffff81c3f160 ffff8807875f9fd8 ffff8807648016e8 0000000100000002 [ 330.011593] ffff8807875f8000 ffff8807875f8000 0000000000000030 ffff8807c19d0e18 [ 330.100400] Call Trace: [ 330.129588] [<ffffffff811703c7>] free_hot_cold_page+0x187/0x1d0 [ 330.201345] [<ffffffff81170445>] __free_pages+0x35/0x50 [ 330.264798] [<ffffffff811c05ec>] __online_page_free+0x1c/0x20 [ 330.334478] [<ffffffff811c0616>] generic_online_page+0x26/0x30 [ 330.405197] [<ffffffff811c0271>] online_pages_range+0x61/0x90 [ 330.474880] [<ffffffff81078240>] walk_system_ram_range+0x140/0x150 [ 330.549750] [<ffffffff811c0210>] ? __online_page_increment_counters+0x20/0x20 [ 330.636050] [<ffffffff8165464b>] online_pages+0x22b/0x390 [ 330.701584] [<ffffffff8144d2ec>] memory_block_action+0xbc/0x1a0 [ 330.773347] [<ffffffff8166cbfa>] ? mutex_lock_nested+0x4a/0x60 [ 330.844063] [<ffffffff8144d453>] memory_block_change_state+0x83/0xf0 [ 330.921013] [<ffffffff8118ff9c>] ? might_fault+0x5c/0xb0 [ 330.985502] [<ffffffff8144d5f7>] store_mem_state+0x137/0x180 [ 331.054150] [<ffffffff8124a517>] ? sysfs_write_file+0x87/0x100 [ 331.124867] [<ffffffff814375f0>] dev_attr_store+0x20/0x30 [ 331.190392] [<ffffffff8124a533>] sysfs_write_file+0xa3/0x100 [ 331.259038] [<ffffffff811cc6d0>] vfs_write+0xd0/0x1a0 [ 331.320411] [<ffffffff811cc8a4>] sys_write+0x54/0xa0 [ 331.380747] [<ffffffff81679bd9>] system_call_fastpath+0x16/0x1b [ 331.452501] Code: ff ff 0f 0b eb fe 0f 0b 0f 1f 80 00 00 00 00 eb f7 0f 0b eb fe 48 c7 c7 80 3b c3 81 e8 ae 6c f6 ff 85 c0 0f 85 cb fd ff ff eb 8f <0f> 0b 66 90 eb fc 0f 0b eb fe 49 8b 47 e0 f6 c4 40 0f 1f 00 74 [ 331.685087] RIP [<ffffffff8116ffdc>] free_pcppages_bulk+0x4ec/0x540 [ 331.761102] RSP <ffff8807875f9b88> [ 331.802749] ---[ end trace f3112128f3ab7e75 ]--- [ 331.859455] BUG: sleeping function called from invalid context at mm/slub.c:930 [ 331.946779] in_atomic(): 1, irqs_disabled(): 1, pid: 2445, name: bash [ 332.023723] INFO: lockdep is turned off. [ 332.070554] irq event stamp: 301462 [ 332.112196] hardirqs last enabled at (301461): [<ffffffff816700f0>] _raw_spin_unlock_irq+0x30/0x50 [ 332.220397] hardirqs last disabled at (301462): [<ffffffff8166f5cf>] _raw_spin_lock_irq+0x1f/0x90 [ 332.326522] softirqs last enabled at (301450): [<ffffffff81076a9c>] __do_softirq+0x18c/0x3e0 [ 332.428493] softirqs last disabled at (301445): [<ffffffff8167af3c>] call_softirq+0x1c/0x30 [ 332.528391] Pid: 2445, comm: bash Tainted: G D 3.6.0-rc5-removable-node+ #1 [ 332.621944] Call Trace: [ 332.651131] [<ffffffff810a943a>] __might_sleep+0x18a/0x240 [ 332.717699] [<ffffffff811bddbb>] __kmalloc+0x6b/0x220 [ 332.779079] [<ffffffff814f5ab1>] ? efivar_create_sysfs_entry+0x41/0x1b0 [ 332.859144] [<ffffffff814f5ab1>] efivar_create_sysfs_entry+0x41/0x1b0 [ 332.937130] [<ffffffff814f5f9b>] efi_pstore_write+0x37b/0x3a0 [ 333.006812] [<ffffffff81670187>] ? _raw_spin_unlock_irqrestore+0x77/0x80 [ 333.087916] [<ffffffff8106d022>] ? kmsg_dump_get_buffer+0x1e2/0x2c0 [ 333.163827] [<ffffffff812bf3d0>] ? pstore_dump+0x1b0/0x220 [ 333.230391] [<ffffffff812bf34f>] pstore_dump+0x12f/0x220 [ 333.294883] [<ffffffff8106faab>] kmsg_dump+0x11b/0x2a0 [ 333.357294] [<ffffffff8106f9b6>] ? kmsg_dump+0x26/0x2a0 [ 333.420746] [<ffffffff8106bb6d>] oops_exit+0x1d/0x20 [ 333.481085] [<ffffffff816712fe>] oops_end+0x7e/0xf0 [ 333.540386] [<ffffffff8101a8eb>] die+0x5b/0x90 [ 333.594489] [<ffffffff81670c64>] do_trap+0xc4/0x170 [ 333.653789] [<ffffffff810186f5>] do_invalid_op+0x95/0xb0 [ 333.718278] [<ffffffff8116ffdc>] ? free_pcppages_bulk+0x4ec/0x540 [ 333.792117] [<ffffffff8134a56d>] ? trace_hardirqs_off_thunk+0x3a/0x3c [ 333.870098] [<ffffffff81670420>] ? restore_args+0x30/0x30 [ 333.935620] [<ffffffff8167acbb>] invalid_op+0x1b/0x20 [ 333.996991] [<ffffffff8116ffdc>] ? free_pcppages_bulk+0x4ec/0x540 [ 334.070825] [<ffffffff8116fc09>] ? free_pcppages_bulk+0x119/0x540 [ 334.144660] [<ffffffff811703c7>] free_hot_cold_page+0x187/0x1d0 [ 334.216417] [<ffffffff81170445>] __free_pages+0x35/0x50 [ 334.279868] [<ffffffff811c05ec>] __online_page_free+0x1c/0x20 [ 334.349549] [<ffffffff811c0616>] generic_online_page+0x26/0x30 [ 334.420269] [<ffffffff811c0271>] online_pages_range+0x61/0x90 [ 334.489957] [<ffffffff81078240>] walk_system_ram_range+0x140/0x150 [ 334.564832] [<ffffffff811c0210>] ? __online_page_increment_counters+0x20/0x20 [ 334.651125] [<ffffffff8165464b>] online_pages+0x22b/0x390 [ 334.716654] [<ffffffff8144d2ec>] memory_block_action+0xbc/0x1a0 [ 334.788411] [<ffffffff8166cbfa>] ? mutex_lock_nested+0x4a/0x60 [ 334.859130] [<ffffffff8144d453>] memory_block_change_state+0x83/0xf0 [ 334.936078] [<ffffffff8118ff9c>] ? might_fault+0x5c/0xb0 [ 335.000568] [<ffffffff8144d5f7>] store_mem_state+0x137/0x180 [ 335.069213] [<ffffffff8124a517>] ? sysfs_write_file+0x87/0x100 [ 335.139931] [<ffffffff814375f0>] dev_attr_store+0x20/0x30 [ 335.205459] [<ffffffff8124a533>] sysfs_write_file+0xa3/0x100 [ 335.274103] [<ffffffff811cc6d0>] vfs_write+0xd0/0x1a0 [ 335.335477] [<ffffffff811cc8a4>] sys_write+0x54/0xa0 [ 335.395815] [<ffffffff81679bd9>] system_call_fastpath+0x16/0x1b [ 335.467571] BUG: scheduling while atomic: bash/2445/0x10000004 [ 335.537243] INFO: lockdep is turned off. [ 335.584074] Modules linked in: sunrpc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables binfmt_misc vfat fat dm_mirror dm_region_hash dm_log dm_mod uinput iTCO_wdt iTCO_vendor_support coretemp kvm_intel kvm crc32c_intel microcode pcspkr i2c_i801 i2c_core lpc_ich mfd_core ioatdma i7core_edac edac_core sg e1000e igb dca sd_mod crc_t10dif lpfc scsi_transport_fc scsi_tgt mptsas mptscsih mptbase scsi_transport_sas scsi_mod [ 336.149444] irq event stamp: 301462 [ 336.191085] hardirqs last enabled at (301461): [<ffffffff816700f0>] _raw_spin_unlock_irq+0x30/0x50 [ 336.299285] hardirqs last disabled at (301462): [<ffffffff8166f5cf>] _raw_spin_lock_irq+0x1f/0x90 [ 336.405411] softirqs last enabled at (301450): [<ffffffff81076a9c>] __do_softirq+0x18c/0x3e0 [ 336.507381] softirqs last disabled at (301445): [<ffffffff8167af3c>] call_softirq+0x1c/0x30 [ 336.607278] Pid: 2445, comm: bash Tainted: G D 3.6.0-rc5-removable-node+ #1 [ 336.700831] Call Trace: [ 336.730023] [<ffffffff810a7f0a>] __schedule_bug+0x6a/0x90 [ 336.795549] [<ffffffff8166e128>] __schedule+0x7d8/0x880 [ 336.858999] [<ffffffff810acc6a>] __cond_resched+0x2a/0x40 [ 336.924529] [<ffffffff8166e260>] _cond_resched+0x30/0x40 [ 336.989017] [<ffffffff811bddc0>] __kmalloc+0x70/0x220 [ 337.050393] [<ffffffff814f5ab1>] ? efivar_create_sysfs_entry+0x41/0x1b0 [ 337.130456] [<ffffffff814f5ab1>] efivar_create_sysfs_entry+0x41/0x1b0 [ 337.208445] [<ffffffff814f5f9b>] efi_pstore_write+0x37b/0x3a0 [ 337.278125] [<ffffffff81670187>] ? _raw_spin_unlock_irqrestore+0x77/0x80 [ 337.359228] [<ffffffff8106d022>] ? kmsg_dump_get_buffer+0x1e2/0x2c0 [ 337.435138] [<ffffffff812bf3d0>] ? pstore_dump+0x1b0/0x220 [ 337.501705] [<ffffffff812bf34f>] pstore_dump+0x12f/0x220 [ 337.566194] [<ffffffff8106faab>] kmsg_dump+0x11b/0x2a0 [ 337.628607] [<ffffffff8106f9b6>] ? kmsg_dump+0x26/0x2a0 [ 337.692052] [<ffffffff8106bb6d>] oops_exit+0x1d/0x20 [ 337.752383] [<ffffffff816712fe>] oops_end+0x7e/0xf0 [ 337.811683] [<ffffffff8101a8eb>] die+0x5b/0x90 [ 337.865790] [<ffffffff81670c64>] do_trap+0xc4/0x170 [ 337.925090] [<ffffffff810186f5>] do_invalid_op+0x95/0xb0 [ 337.989579] [<ffffffff8116ffdc>] ? free_pcppages_bulk+0x4ec/0x540 [ 338.063413] [<ffffffff8134a56d>] ? trace_hardirqs_off_thunk+0x3a/0x3c [ 338.141400] [<ffffffff81670420>] ? restore_args+0x30/0x30 [ 338.206928] [<ffffffff8167acbb>] invalid_op+0x1b/0x20 [ 338.268305] [<ffffffff8116ffdc>] ? free_pcppages_bulk+0x4ec/0x540 [ 338.342137] [<ffffffff8116fc09>] ? free_pcppages_bulk+0x119/0x540 [ 338.415973] [<ffffffff811703c7>] free_hot_cold_page+0x187/0x1d0 [ 338.487732] [<ffffffff81170445>] __free_pages+0x35/0x50 [ 338.551181] [<ffffffff811c05ec>] __online_page_free+0x1c/0x20 [ 338.620863] [<ffffffff811c0616>] generic_online_page+0x26/0x30 [ 338.691583] [<ffffffff811c0271>] online_pages_range+0x61/0x90 [ 338.761264] [<ffffffff81078240>] walk_system_ram_range+0x140/0x150 [ 338.836137] [<ffffffff811c0210>] ? __online_page_increment_counters+0x20/0x20 [ 338.922431] [<ffffffff8165464b>] online_pages+0x22b/0x390 [ 338.987959] [<ffffffff8144d2ec>] memory_block_action+0xbc/0x1a0 [ 339.059718] [<ffffffff8166cbfa>] ? mutex_lock_nested+0x4a/0x60 [ 339.130438] [<ffffffff8144d453>] memory_block_change_state+0x83/0xf0 [ 339.207385] [<ffffffff8118ff9c>] ? might_fault+0x5c/0xb0 [ 339.271879] [<ffffffff8144d5f7>] store_mem_state+0x137/0x180 [ 339.340520] [<ffffffff8124a517>] ? sysfs_write_file+0x87/0x100 [ 339.411238] [<ffffffff814375f0>] dev_attr_store+0x20/0x30 [ 339.476766] [<ffffffff8124a533>] sysfs_write_file+0xa3/0x100 [ 339.545410] [<ffffffff811cc6d0>] vfs_write+0xd0/0x1a0 [ 339.606784] [<ffffffff811cc8a4>] sys_write+0x54/0xa0 [ 339.667121] [<ffffffff81679bd9>] system_call_fastpath+0x16/0x1b [ 339.739266] BUG: sleeping function called from invalid context at mm/slub.c:930 [ 339.826795] in_atomic(): 1, irqs_disabled(): 0, pid: 2445, name: bash [ 339.903925] INFO: lockdep is turned off. [ 339.950938] Pid: 2445, comm: bash Tainted: G D W 3.6.0-rc5-removable-node+ #1 [ 340.044702] Call Trace: [ 340.073958] [<ffffffff810a943a>] __might_sleep+0x18a/0x240 [ 340.140704] [<ffffffff811bd4fb>] kmem_cache_alloc_trace+0x4b/0x1d0 [ 340.215759] [<ffffffff814f5acf>] efivar_create_sysfs_entry+0x5f/0x1b0 [ 340.293928] [<ffffffff814f5f9b>] efi_pstore_write+0x37b/0x3a0 [ 340.363794] [<ffffffff81670187>] ? _raw_spin_unlock_irqrestore+0x77/0x80 [ 340.445071] [<ffffffff8106d022>] ? kmsg_dump_get_buffer+0x1e2/0x2c0 [ 340.521163] [<ffffffff812bf3d0>] ? pstore_dump+0x1b0/0x220 [ 340.587902] [<ffffffff812bf34f>] pstore_dump+0x12f/0x220 [ 340.652571] [<ffffffff8106faab>] kmsg_dump+0x11b/0x2a0 [ 340.715155] [<ffffffff8106f9b6>] ? kmsg_dump+0x26/0x2a0 [ 340.778739] [<ffffffff8106bb6d>] oops_exit+0x1d/0x20 [ 340.839300] [<ffffffff816712fe>] oops_end+0x7e/0xf0 [ 340.898737] [<ffffffff8101a8eb>] die+0x5b/0x90 [ 340.953042] [<ffffffff81670c64>] do_trap+0xc4/0x170 [ 341.012562] [<ffffffff810186f5>] do_invalid_op+0x95/0xb0 [ 341.077211] [<ffffffff8116ffdc>] ? free_pcppages_bulk+0x4ec/0x540 [ 341.151258] [<ffffffff8134a56d>] ? trace_hardirqs_off_thunk+0x3a/0x3c [ 341.229428] [<ffffffff81670420>] ? restore_args+0x30/0x30 [ 341.295109] [<ffffffff8167acbb>] invalid_op+0x1b/0x20 [ 341.356736] [<ffffffff8116ffdc>] ? free_pcppages_bulk+0x4ec/0x540 [ 341.430789] [<ffffffff8116fc09>] ? free_pcppages_bulk+0x119/0x540 [ 341.504832] [<ffffffff811703c7>] free_hot_cold_page+0x187/0x1d0 [ 341.576803] [<ffffffff81170445>] __free_pages+0x35/0x50 [ 341.640459] [<ffffffff811c05ec>] __online_page_free+0x1c/0x20 [ 341.710291] [<ffffffff811c0616>] generic_online_page+0x26/0x30 [ 341.781224] [<ffffffff811c0271>] online_pages_range+0x61/0x90 [ 341.851126] [<ffffffff81078240>] walk_system_ram_range+0x140/0x150 [ 341.926211] [<ffffffff811c0210>] ? __online_page_increment_counters+0x20/0x20 [ 342.012703] [<ffffffff8165464b>] online_pages+0x22b/0x390 [ 342.078434] [<ffffffff8144d2ec>] memory_block_action+0xbc/0x1a0 [ 342.150325] [<ffffffff8166cbfa>] ? mutex_lock_nested+0x4a/0x60 [ 342.221165] [<ffffffff8144d453>] memory_block_change_state+0x83/0xf0 [ 342.298323] [<ffffffff8118ff9c>] ? might_fault+0x5c/0xb0 [ 342.362966] [<ffffffff8144d5f7>] store_mem_state+0x137/0x180 [ 342.431796] [<ffffffff8124a517>] ? sysfs_write_file+0x87/0x100 [ 342.502689] [<ffffffff814375f0>] dev_attr_store+0x20/0x30 [ 342.568387] [<ffffffff8124a533>] sysfs_write_file+0xa3/0x100 [ 342.637216] [<ffffffff811cc6d0>] vfs_write+0xd0/0x1a0 [ 342.698761] [<ffffffff811cc8a4>] sys_write+0x54/0xa0 [ 342.759236] [<ffffffff81679bd9>] system_call_fastpath+0x16/0x1b [ 342.831184] BUG: scheduling while atomic: bash/2445/0x10000004 [ 342.901189] INFO: lockdep is turned off. [ 342.948190] Modules linked in: sunrpc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables binfmt_misc vfat fat dm_mirror dm_region_hash dm_log dm_mod uinput iTCO_wdt iTCO_vendor_support coretemp kvm_intel kvm crc32c_intel microcode pcspkr i2c_i801 i2c_core lpc_ich mfd_core ioatdma i7core_edac edac_core sg e1000e igb dca sd_mod crc_t10dif lpfc scsi_transport_fc scsi_tgt mptsas mptscsih mptbase scsi_transport_sas scsi_mod [ 343.519830] Pid: 2445, comm: bash Tainted: G D W 3.6.0-rc5-removable-node+ #1 [ 343.613552] Call Trace: [ 343.642773] [<ffffffff810a7f0a>] __schedule_bug+0x6a/0x90 [ 343.708445] [<ffffffff8166e128>] __schedule+0x7d8/0x880 [ 343.772084] [<ffffffff814f5acf>] ? efivar_create_sysfs_entry+0x5f/0x1b0 [ 343.852324] [<ffffffff810acc6a>] __cond_resched+0x2a/0x40 [ 343.918004] [<ffffffff8166e260>] _cond_resched+0x30/0x40 [ 343.982676] [<ffffffff811bd500>] kmem_cache_alloc_trace+0x50/0x1d0 [ 344.057721] [<ffffffff814f5acf>] efivar_create_sysfs_entry+0x5f/0x1b0 [ 344.135874] [<ffffffff814f5f9b>] efi_pstore_write+0x37b/0x3a0 [ 344.205752] [<ffffffff81670187>] ? _raw_spin_unlock_irqrestore+0x77/0x80 [ 344.287007] [<ffffffff8106d022>] ? kmsg_dump_get_buffer+0x1e2/0x2c0 [ 344.363106] [<ffffffff812bf3d0>] ? pstore_dump+0x1b0/0x220 [ 344.429885] [<ffffffff812bf34f>] pstore_dump+0x12f/0x220 [ 344.494584] [<ffffffff8106faab>] kmsg_dump+0x11b/0x2a0 [ 344.557185] [<ffffffff8106f9b6>] ? kmsg_dump+0x26/0x2a0 [ 344.620847] [<ffffffff8106bb6d>] oops_exit+0x1d/0x20 [ 344.681390] [<ffffffff816712fe>] oops_end+0x7e/0xf0 [ 344.740918] [<ffffffff8101a8eb>] die+0x5b/0x90 [ 344.795241] [<ffffffff81670c64>] do_trap+0xc4/0x170 [ 344.854734] [<ffffffff810186f5>] do_invalid_op+0x95/0xb0 [ 344.919416] [<ffffffff8116ffdc>] ? free_pcppages_bulk+0x4ec/0x540 [ 344.993473] [<ffffffff8134a56d>] ? trace_hardirqs_off_thunk+0x3a/0x3c [ 345.071682] [<ffffffff81670420>] ? restore_args+0x30/0x30 [ 345.137431] [<ffffffff8167acbb>] invalid_op+0x1b/0x20 [ 345.199000] [<ffffffff8116ffdc>] ? free_pcppages_bulk+0x4ec/0x540 [ 345.273041] [<ffffffff8116fc09>] ? free_pcppages_bulk+0x119/0x540 [ 345.347082] [<ffffffff811703c7>] free_hot_cold_page+0x187/0x1d0 [ 345.419041] [<ffffffff81170445>] __free_pages+0x35/0x50 [ 345.482682] [<ffffffff811c05ec>] __online_page_free+0x1c/0x20 [ 345.552584] [<ffffffff811c0616>] generic_online_page+0x26/0x30 [ 345.623511] [<ffffffff811c0271>] online_pages_range+0x61/0x90 [ 345.693391] [<ffffffff81078240>] walk_system_ram_range+0x140/0x150 [ 345.768476] [<ffffffff811c0210>] ? __online_page_increment_counters+0x20/0x20 [ 345.854961] [<ffffffff8165464b>] online_pages+0x22b/0x390 [ 345.920712] [<ffffffff8144d2ec>] memory_block_action+0xbc/0x1a0 [ 345.992687] [<ffffffff8166cbfa>] ? mutex_lock_nested+0x4a/0x60 [ 346.063626] [<ffffffff8144d453>] memory_block_change_state+0x83/0xf0 [ 346.140786] [<ffffffff8118ff9c>] ? might_fault+0x5c/0xb0 [ 346.205491] [<ffffffff8144d5f7>] store_mem_state+0x137/0x180 [ 346.274370] [<ffffffff8124a517>] ? sysfs_write_file+0x87/0x100 [ 346.345299] [<ffffffff814375f0>] dev_attr_store+0x20/0x30 [ 346.411046] [<ffffffff8124a533>] sysfs_write_file+0xa3/0x100 [ 346.479894] [<ffffffff811cc6d0>] vfs_write+0xd0/0x1a0 [ 346.541493] [<ffffffff811cc8a4>] sys_write+0x54/0xa0 [ 346.602042] [<ffffffff81679bd9>] system_call_fastpath+0x16/0x1b ... Thanks, Yasuaki Ishimatsu 2012/09/10 17:58, Lai Jiangshan wrote: > A) Introduction: > > This patchset adds MOVABLE-dedicated node and online_movable for memory-management. > > It is used for anti-fragmentation(hugepage, big-order allocation...), > hot-removal-of-memory(virtualization, power-conserve, move memory between systems > to make better utilities of memories). > > This patchset is based on 650470d1da17c20bf9700f9446775a01cbda52c3 of newest tip tree. > > B) User Interface: > > When users(big system manager) need config some node/memory as MOVABLE: > 1 Use kernelcore_max_addr=XX when boot > 2 Use movable_online hotplug action when running > We may introduce some more convenient interface, such as > movable_node=NODE_LIST boot option. > > C) Patches > > Patch1-3 Fix problems of the current code.(all related with hotplug) > Patch4 cleanup for node_state_attr > Patch5 introduce N_MEMORY > Patch6-18 use N_MEMORY instead N_HIGH_MEMORY. > The patches are separated by subsystem, > *these conversions was(must be) checked carefully*. > Patch18 also changes the node_states initialization > Patch19 Add config to allow MOVABLE-dedicated node > Patch20-24 Add kernelcore_max_addr > Patch25,26 Add online_movable and online_kernel > > > D) changes > change V4-v3 > rebase. > online_movable/online_kernel can create a zone from empty > or empyt a zone > > change V3-v2: > Proper nodemask management > > change V2-V1: > > The original V1 patchset of MOVABLE-dedicated node is here: > http://comments.gmane.org/gmane.linux.kernel.mm/78122 > > The new V2 adds N_MEMORY and a notion of "MOVABLE-dedicated node". > And fix some related problems. > > The orignal V1 patchset of "add online_movable" is here: > https://lkml.org/lkml/2012/7/4/145 > > The new V2 discards the MIGRATE_HOTREMOVE approach, and use a more straight > implementation(only 1 patch). > Lai Jiangshan (22): > page_alloc.c: don't subtract unrelated memmap from zone's present > pages > memory_hotplug: fix missing nodemask management > slub, hotplug: ignore unrelated node's hot-adding and hot-removing > node: cleanup node_state_attr > node_states: introduce N_MEMORY > cpuset: use N_MEMORY instead N_HIGH_MEMORY > procfs: use N_MEMORY instead N_HIGH_MEMORY > memcontrol: use N_MEMORY instead N_HIGH_MEMORY > oom: use N_MEMORY instead N_HIGH_MEMORY > mm,migrate: use N_MEMORY instead N_HIGH_MEMORY > mempolicy: use N_MEMORY instead N_HIGH_MEMORY > hugetlb: use N_MEMORY instead N_HIGH_MEMORY > vmstat: use N_MEMORY instead N_HIGH_MEMORY > kthread: use N_MEMORY instead N_HIGH_MEMORY > init: use N_MEMORY instead N_HIGH_MEMORY > vmscan: use N_MEMORY instead N_HIGH_MEMORY > page_alloc: use N_MEMORY instead N_HIGH_MEMORY change the node_states > initialization > hotplug: update nodemasks management > numa: add CONFIG_MOVABLE_NODE for movable-dedicated node > page_alloc: add kernelcore_max_addr > mm, memory-hotplug: add online_movable and online_kernel > memory_hotplug: handle empty zone when online_movable/online_kernel > > Yasuaki Ishimatsu (4): > x86: get pg_data_t's memory from other node > x86: use memblock_set_current_limit() to set memblock.current_limit > memblock: limit memory address from memblock > memblock: compare current_limit with end variable at > memblock_find_in_range_node() > > Documentation/cgroups/cpusets.txt | 2 +- > Documentation/kernel-parameters.txt | 9 ++ > Documentation/memory-hotplug.txt | 24 +++- > arch/x86/kernel/setup.c | 4 +- > arch/x86/mm/init_64.c | 4 +- > arch/x86/mm/numa.c | 8 +- > drivers/base/memory.c | 19 ++- > drivers/base/node.c | 28 +++-- > fs/proc/kcore.c | 2 +- > fs/proc/task_mmu.c | 4 +- > include/linux/cpuset.h | 2 +- > include/linux/memblock.h | 1 + > include/linux/memory.h | 2 + > include/linux/memory_hotplug.h | 13 ++- > include/linux/nodemask.h | 5 + > init/main.c | 2 +- > kernel/cpuset.c | 32 ++-- > kernel/kthread.c | 2 +- > mm/Kconfig | 8 + > mm/hugetlb.c | 24 ++-- > mm/memblock.c | 10 +- > mm/memcontrol.c | 18 ++-- > mm/memory_hotplug.c | 271 ++++++++++++++++++++++++++++++++--- > mm/mempolicy.c | 12 +- > mm/migrate.c | 2 +- > mm/oom_kill.c | 2 +- > mm/page_alloc.c | 96 ++++++++----- > mm/page_cgroup.c | 2 +- > mm/slub.c | 4 +- > mm/vmscan.c | 4 +- > mm/vmstat.c | 4 +- > 31 files changed, 476 insertions(+), 144 deletions(-) > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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