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Date: Fri, 26 Sep 2008 14:24:55 +0900
From: Daisuke Nishimura <nishimura@....nes.nec.co.jp>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc: nishimura@....nes.nec.co.jp,
"linux-mm@...ck.org" <linux-mm@...ck.org>,
"balbir@...ux.vnet.ibm.com" <balbir@...ux.vnet.ibm.com>,
"xemul@...nvz.org" <xemul@...nvz.org>,
Andrew Morton <akpm@...ux-foundation.org>,
LKML <linux-kernel@...r.kernel.org>,
Dave Hansen <haveblue@...ibm.com>, ryov@...inux.co.jp
Subject: Re: [PATCH 0/12] memcg updates v5
On Fri, 26 Sep 2008 13:05:34 +0900, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:
> On Fri, 26 Sep 2008 12:00:19 +0900
> Daisuke Nishimura <nishimura@....nes.nec.co.jp> wrote:
>
> > I'll test it with updated version of 9-11 and report you back.
> >
> Thank you. below is the new one...(Sorry!)
>
> -Kame
> ==
> Check LRU bit under lru_lock.
>
> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
>
> mm/memcontrol.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> Index: mmotm-2.6.27-rc7+/mm/memcontrol.c
> ===================================================================
> --- mmotm-2.6.27-rc7+.orig/mm/memcontrol.c
> +++ mmotm-2.6.27-rc7+/mm/memcontrol.c
> @@ -340,11 +340,12 @@ void mem_cgroup_move_lists(struct page *
> if (!trylock_page_cgroup(pc))
> return;
>
> - if (PageCgroupUsed(pc) && PageCgroupLRU(pc)) {
> + if (PageCgroupUsed(pc)) {
> mem = pc->mem_cgroup;
> mz = page_cgroup_zoneinfo(pc);
> spin_lock_irqsave(&mz->lru_lock, flags);
> - __mem_cgroup_move_lists(pc, lru);
> + if (PageCgroupLRU(pc))
> + __mem_cgroup_move_lists(pc, lru);
> spin_unlock_irqrestore(&mz->lru_lock, flags);
> }
> unlock_page_cgroup(pc);
> @@ -564,8 +565,8 @@ __release_page_cgroup(struct memcg_percp
> spin_lock(&mz->lru_lock);
> }
> if (!PageCgroupUsed(pc) && PageCgroupLRU(pc)) {
> - __mem_cgroup_remove_list(mz, pc);
> ClearPageCgroupLRU(pc);
> + __mem_cgroup_remove_list(mz, pc);
> }
> }
> if (prev_mz)
> @@ -597,8 +598,8 @@ __set_page_cgroup_lru(struct memcg_percp
> spin_lock(&mz->lru_lock);
> }
> if (PageCgroupUsed(pc) && !PageCgroupLRU(pc)) {
> - SetPageCgroupLRU(pc);
> __mem_cgroup_add_list(mz, pc);
> + SetPageCgroupLRU(pc);
> }
> }
>
>
Unfortunately, there remains some bugs yet...
------------[ cut here ]------------
WARNING: at lib/list_debug.c:51 list_del+0x5c/0x87()
list_del corruption. next->prev should be ffff88010ca291e8, but was dead000000200200
Modules linked in: ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp ipv6
autofs4 hidp rfcomm l2cap bluetooth sunrpc microcode dm_mirror dm_log dm_multipath dm_mod
rfkill input_polldev sbs sbshc battery ac lp sg e1000 ide_cd_mod cdrom button acpi_memhotp
lug parport_pc rtc_cmos rtc_core parport serio_raw rtc_lib i2c_i801 i2c_core shpchp pcspkr
ata_piix libata megaraid_mbox megaraid_mm sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci
_hcd
Pid: 3940, comm: bash Tainted: G W 2.6.27-rc7-mm1-dd8bf0fe #1
Call Trace:
[<ffffffff8023ac52>] warn_slowpath+0xb4/0xd2
[<ffffffff8024c0ec>] prepare_to_wait_exclusive+0x38/0x5a
[<ffffffff8024c089>] finish_wait+0x32/0x5d
[<ffffffff8049ec80>] __wait_on_bit_lock+0x5b/0x66
[<ffffffff80272ff4>] __lock_page+0x5e/0x64
[<ffffffff8022c4f9>] target_load+0x2a/0x58
[<ffffffff8022cf59>] place_entity+0x85/0xb3
[<ffffffff8022f6db>] enqueue_entity+0x16e/0x18f
[<ffffffff8027ff0a>] zone_statistics+0x3a/0x5d
[<ffffffff8027ff0a>] zone_statistics+0x3a/0x5d
[<ffffffff802788d3>] get_page_from_freelist+0x455/0x5bf
[<ffffffff803402e8>] list_del+0x5c/0x87
[<ffffffff802a1530>] mem_cgroup_commit_charge+0x6f/0xdd
[<ffffffff802a16ed>] mem_cgroup_charge_common+0x4c/0x62
[<ffffffff802835de>] handle_mm_fault+0x222/0x791
[<ffffffff8027ff0a>] zone_statistics+0x3a/0x5d
[<ffffffff8028235a>] follow_page+0x2d/0x2c2
[<ffffffff80283e42>] __get_user_pages+0x2f5/0x3f3
[<ffffffff802a74ed>] get_arg_page+0x46/0xa5
[<ffffffff802a7724>] copy_strings+0xfc/0x1de
[<ffffffff802a7827>] copy_strings_kernel+0x21/0x33
[<ffffffff802a8aff>] do_execve+0x140/0x256
[<ffffffff8020a495>] sys_execve+0x35/0x4c
[<ffffffff8020c1ea>] stub_execve+0x6a/0xc0
---[ end trace 4eaa2a86a8e2da22 ]---
------------[ cut here ]------------
WARNING: at lib/list_debug.c:48 list_del+0x30/0x87()
list_del corruption. prev->next should be ffff88010ca29210, but was dead000000100100
Modules linked in: ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp ipv6
autofs4 hidp rfcomm l2cap bluetooth sunrpc microcode dm_mirror dm_log dm_multipath dm_mod
rfkill input_polldev sbs sbshc battery ac lp sg e1000 ide_cd_mod cdrom button acpi_memhotp
lug parport_pc rtc_cmos rtc_core parport serio_raw rtc_lib i2c_i801 i2c_core shpchp pcspkr
ata_piix libata megaraid_mbox megaraid_mm sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci
_hcd
Pid: 3940, comm: bash Tainted: G W 2.6.27-rc7-mm1-dd8bf0fe #1
Call Trace:
[<ffffffff8023ac52>] warn_slowpath+0xb4/0xd2
[<ffffffff802bf928>] __getblk+0x25/0x21f
[<ffffffffa0060f7e>] __ext3_journal_dirty_metadata+0x1e/0x46 [ext3]
[<ffffffff8022dae7>] __wake_up+0x38/0x4f
[<ffffffff802bc201>] __mark_inode_dirty+0x15c/0x16b
[<ffffffff802b4ec7>] touch_atime+0x109/0x112
[<ffffffff802b8284>] mnt_drop_write+0x25/0xdc
[<ffffffff80274cf9>] generic_file_aio_read+0x4b8/0x515
[<ffffffff803402bc>] list_del+0x30/0x87
[<ffffffff802a1106>] __release_page_cgroup+0x68/0x8a
[<ffffffff8028a67a>] page_remove_rmap+0x10e/0x12e
[<ffffffff80282a65>] unmap_vmas+0x476/0x7f2
[<ffffffff80286e5e>] exit_mmap+0xf0/0x176
[<ffffffff8038ec62>] secure_ip_id+0x45/0x4a
[<ffffffff802389e2>] mmput+0x30/0x88
[<ffffffff802a868b>] flush_old_exec+0x487/0x77c
[<ffffffff802a47b7>] vfs_read+0x11e/0x133
[<ffffffff802d54c9>] load_elf_binary+0x338/0x16b6
[<ffffffff802a74ed>] get_arg_page+0x46/0xa5
[<ffffffff802a77f5>] copy_strings+0x1cd/0x1de
[<ffffffff802a7907>] search_binary_handler+0xb0/0x22e
[<ffffffff802a8b67>] do_execve+0x1a8/0x256
[<ffffffff8020a495>] sys_execve+0x35/0x4c
[<ffffffff8020c1ea>] stub_execve+0x6a/0xc0
---[ end trace 4eaa2a86a8e2da22 ]---
------------[ cut here ]------------
WARNING: at lib/list_debug.c:48 list_del+0x30/0x87()
list_del corruption. prev->next should be ffff88010c937d50, but was ffff88010ca052e8
Modules linked in: ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp ipv6
autofs4 hidp rfcomm l2cap bluetooth sunrpc microcode dm_mirror dm_log dm_multipath dm_mod
rfkill input_polldev sbs sbshc battery ac lp sg e1000 ide_cd_mod cdrom button acpi_memhotp
lug parport_pc rtc_cmos rtc_core parport serio_raw rtc_lib i2c_i801 i2c_core shpchp pcspkr
ata_piix libata megaraid_mbox megaraid_mm sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci
_hcd
Pid: 3943, comm: shmem_test_02 Tainted: G W 2.6.27-rc7-mm1-dd8bf0fe #1
Call Trace:
[<ffffffff8023ac52>] warn_slowpath+0xb4/0xd2
[<ffffffff802974c2>] shmem_getpage+0x75/0x7a0
[<ffffffff8027ff0a>] zone_statistics+0x3a/0x5d
[<ffffffff802787d1>] get_page_from_freelist+0x353/0x5bf
[<ffffffff8027ff0a>] zone_statistics+0x3a/0x5d
[<ffffffff802787d1>] get_page_from_freelist+0x353/0x5bf
[<ffffffff803402bc>] list_del+0x30/0x87
[<ffffffff802a1530>] mem_cgroup_commit_charge+0x6f/0xdd
[<ffffffff802a16ed>] mem_cgroup_charge_common+0x4c/0x62
[<ffffffff8028214e>] do_wp_page+0x3ab/0x58a
[<ffffffff80283af1>] handle_mm_fault+0x735/0x791
[<ffffffff802cdf1e>] fcntl_setlk+0x233/0x263
[<ffffffff804a20e5>] do_page_fault+0x39c/0x773
[<ffffffff804a0009>] error_exit+0x0/0x51
---[ end trace 4eaa2a86a8e2da22 ]---
------------[ cut here ]------------
WARNING: at lib/list_debug.c:48 list_del+0x30/0x87()
list_del corruption. prev->next should be ffff88010ca052e8, but was ffff88010c4068a0
Modules linked in: ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp ipv6
autofs4 hidp rfcomm l2cap bluetooth sunrpc microcode dm_mirror dm_log dm_multipath dm_mod
rfkill input_polldev sbs sbshc battery ac lp sg e1000 ide_cd_mod cdrom button acpi_memhotp
lug parport_pc rtc_cmos rtc_core parport serio_raw rtc_lib i2c_i801 i2c_core shpchp pcspkr
ata_piix libata megaraid_mbox megaraid_mm sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci
_hcd
Pid: 3942, comm: shmem_test_02 Tainted: G W 2.6.27-rc7-mm1-dd8bf0fe #1
Call Trace:
[<ffffffff8023ac52>] warn_slowpath+0xb4/0xd2
[<ffffffff80277283>] rmqueue_bulk+0x61/0x8b
[<ffffffff8033b8a5>] number+0x106/0x1f9
[<ffffffff8027ff0a>] zone_statistics+0x3a/0x5d
[<ffffffff802787d1>] get_page_from_freelist+0x353/0x5bf
[<ffffffff802775e7>] free_pages_bulk+0x198/0x20b
[<ffffffff80277ffe>] __pagevec_free+0x21/0x2e
[<ffffffff8027b410>] release_pages+0x151/0x19f
[<ffffffff803402bc>] list_del+0x30/0x87
[<ffffffff802a1106>] __release_page_cgroup+0x68/0x8a
[<ffffffff802747c7>] __remove_from_page_cache+0x45/0x8f
[<ffffffff80274d7d>] remove_from_page_cache+0x27/0x2f
[<ffffffff8027c04b>] truncate_complete_page+0x49/0x59
[<ffffffff8027c118>] truncate_inode_pages_range+0xbd/0x2ff
[<ffffffff80298abb>] shmem_delete_inode+0x33/0xc4
[<ffffffff80298a88>] shmem_delete_inode+0x0/0xc4
[<ffffffff802b41af>] generic_delete_inode+0xb0/0x124
[<ffffffff802b1655>] d_kill+0x21/0x43
[<ffffffff802b28fe>] dput+0x111/0x11f
[<ffffffff802a4ed8>] __fput+0x14f/0x17e
[<ffffffff80286d39>] remove_vma+0x3d/0x72
[<ffffffff80286ec5>] exit_mmap+0x157/0x176
[<ffffffff802389e2>] mmput+0x30/0x88
[<ffffffff8023c66a>] exit_mm+0xff/0x10a
[<ffffffff8023dafc>] do_exit+0x210/0x7a5
[<ffffffff80269c22>] audit_syscall_entry+0x12d/0x160
[<ffffffff8023e0f7>] do_group_exit+0x66/0x96
[<ffffffff8020bdcb>] system_call_fastpath+0x16/0x1b
---[ end trace 4eaa2a86a8e2da22 ]---
------------[ cut here ]------------
WARNING: at lib/list_debug.c:51 list_del+0x5c/0x87()
list_del corruption. next->prev should be ffff88010caf6b20, but was dead000000200200
Modules linked in: ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp ipv6
autofs4 hidp rfcomm l2cap bluetooth sunrpc microcode dm_mirror dm_log dm_multipath dm_mod
rfkill input_polldev sbs sbshc battery ac lp sg e1000 ide_cd_mod cdrom button acpi_memhotp
lug parport_pc rtc_cmos rtc_core parport serio_raw rtc_lib i2c_i801 i2c_core shpchp pcspkr
ata_piix libata megaraid_mbox megaraid_mm sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci
_hcd
Pid: 3932, comm: page01 Tainted: G W 2.6.27-rc7-mm1-dd8bf0fe #1
Call Trace:
[<ffffffff8023ac52>] warn_slowpath+0xb4/0xd2
[<ffffffff802775e7>] free_pages_bulk+0x198/0x20b
[<ffffffff8027b44c>] release_pages+0x18d/0x19f
[<ffffffff803402e8>] list_del+0x5c/0x87
[<ffffffff802a1106>] __release_page_cgroup+0x68/0x8a
[<ffffffff8028a67a>] page_remove_rmap+0x10e/0x12e
[<ffffffff80282a65>] unmap_vmas+0x476/0x7f2
[<ffffffff80286e5e>] exit_mmap+0xf0/0x176
[<ffffffff802389e2>] mmput+0x30/0x88
[<ffffffff8023c66a>] exit_mm+0xff/0x10a
[<ffffffff8023dafc>] do_exit+0x210/0x7a5
[<ffffffff80269c22>] audit_syscall_entry+0x12d/0x160
[<ffffffff8023e0f7>] do_group_exit+0x66/0x96
[<ffffffff8020bdcb>] system_call_fastpath+0x16/0x1b
---[ end trace 4eaa2a86a8e2da22 ]---
------------[ cut here ]------------
WARNING: at lib/list_debug.c:48 list_del+0x30/0x87()
list_del corruption. prev->next should be ffff88010c4068a0, but was dead000000100100
Modules linked in: ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp ipv6
autofs4 hidp rfcomm l2cap bluetooth sunrpc microcode dm_mirror dm_log dm_multipath dm_mod
rfkill input_polldev sbs sbshc battery ac lp sg e1000 ide_cd_mod cdrom button acpi_memhotp
lug parport_pc rtc_cmos rtc_core parport serio_raw rtc_lib i2c_i801 i2c_core shpchp pcspkr
ata_piix libata megaraid_mbox megaraid_mm sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci
_hcd
Pid: 3934, comm: page01 Tainted: G W 2.6.27-rc7-mm1-dd8bf0fe #1
Call Trace:
[<ffffffff8023ac52>] warn_slowpath+0xb4/0xd2
[<ffffffffa003b89c>] do_get_write_access+0x37d/0x3c3 [jbd]
[<ffffffff802bf928>] __getblk+0x25/0x21f
[<ffffffff8024bf27>] bit_waitqueue+0x10/0xa0
[<ffffffffa003b89c>] do_get_write_access+0x37d/0x3c3 [jbd]
[<ffffffff8024bf27>] bit_waitqueue+0x10/0xa0
[<ffffffff80272e22>] find_get_page+0x18/0xc4
[<ffffffff8024bf27>] bit_waitqueue+0x10/0xa0
[<ffffffff803402bc>] list_del+0x30/0x87
[<ffffffff802a1106>] __release_page_cgroup+0x68/0x8a
[<ffffffff8028a67a>] page_remove_rmap+0x10e/0x12e
[<ffffffff80282a65>] unmap_vmas+0x476/0x7f2
[<ffffffff80286e5e>] exit_mmap+0xf0/0x176
[<ffffffff802389e2>] mmput+0x30/0x88
[<ffffffff8023c66a>] exit_mm+0xff/0x10a
[<ffffffff8023dafc>] do_exit+0x210/0x7a5
[<ffffffff80269c22>] audit_syscall_entry+0x12d/0x160
[<ffffffff8023e0f7>] do_group_exit+0x66/0x96
[<ffffffff8020bdcb>] system_call_fastpath+0x16/0x1b
---[ end trace 4eaa2a86a8e2da22 ]---
--
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