Re: khugepaged / firefox going wild in 3.18-rc

Norbert Preining
2014-11-07T13:57:31Z

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Hi Vlastimil,

On Fri, 07 Nov 2014, Vlastimil Babka wrote:
> Great, that's good news if I understand correctly, but ...

no "but ..."

> I suggested the commit to you for revert 1 day ago, and you say you
> can't reproduce it for 2 days already? That's a bit suspicious. Did

No, you suggested it yesterday during the day, and here in Japan the
next day is already over, so my feeling is two days ;-)

So all fine ;-)

> I'll prepare a debugging patch and send with instructions. Meanwhile
> you could send the /proc/zoneinfo contents? :)

When? Running which kernel? Anyway, with the current kernel (reverted
commit as before) I get the attached zoneinfo.

Thanks, and waiting for your patches ;-)

Norbert

------------------------------------------------------------------------
PREINING, Norbert http://www.preining.info
JAIST, Japan TeX Live & Debian Developer
GPG: 0x860CDC13 fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13
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[-- Attachment #2: zoneinfo.txt --]
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Node 0, zone DMA
pages free 3974
min 66
low 82
high 99
scanned 0
spanned 4095
present 3996
managed 3974
nr_free_pages 3974
nr_alloc_batch 17
nr_inactive_anon 0
nr_active_anon 0
nr_inactive_file 0
nr_active_file 0
nr_unevictable 0
nr_mlock 0
nr_anon_pages 0
nr_mapped 0
nr_file_pages 0
nr_dirty 0
nr_writeback 0
nr_slab_reclaimable 0
nr_slab_unreclaimable 0
nr_page_table_pages 0
nr_kernel_stack 0
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_vmscan_immediate_reclaim 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 0
nr_dirtied 0
nr_written 0
nr_pages_scanned 0
workingset_refault 0
workingset_activate 0
workingset_nodereclaim 0
nr_anon_transparent_hugepages 0
nr_free_cma 0
protection: (0, 3399, 7878, 7878)
pagesets
cpu: 0
count: 0
high: 0
batch: 1
vm stats threshold: 6
cpu: 1
count: 0
high: 0
batch: 1
vm stats threshold: 6
cpu: 2
count: 0
high: 0
batch: 1
vm stats threshold: 6
cpu: 3
count: 0
high: 0
batch: 1
vm stats threshold: 6
all_unreclaimable: 1
start_pfn: 1
inactive_ratio: 1
Node 0, zone DMA32
pages free 557017
min 14552
low 18190
high 21828
scanned 0
spanned 1044480
present 889801
managed 871049
nr_free_pages 557017
nr_alloc_batch 3572
nr_inactive_anon 12444
nr_active_anon 67252
nr_inactive_file 86719
nr_active_file 125886
nr_unevictable 4
nr_mlock 4
nr_anon_pages 67107
nr_mapped 22262
nr_file_pages 225198
nr_dirty 20
nr_writeback 0
nr_slab_reclaimable 11794
nr_slab_unreclaimable 5026
nr_page_table_pages 2369
nr_kernel_stack 226
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_vmscan_immediate_reclaim 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 12593
nr_dirtied 224825
nr_written 214052
nr_pages_scanned 0
workingset_refault 0
workingset_activate 0
workingset_nodereclaim 0
nr_anon_transparent_hugepages 28
nr_free_cma 0
protection: (0, 0, 4478, 4478)
pagesets
cpu: 0
count: 159
high: 186
batch: 31
vm stats threshold: 36
cpu: 1
count: 145
high: 186
batch: 31
vm stats threshold: 36
cpu: 2
count: 99
high: 186
batch: 31
vm stats threshold: 36
cpu: 3
count: 65
high: 186
batch: 31
vm stats threshold: 36
all_unreclaimable: 0
start_pfn: 4096
inactive_ratio: 5
Node 0, zone Normal
pages free 712051
min 19172
low 23965
high 28758
scanned 0
spanned 1179136
present 1179136
managed 1146604
nr_free_pages 712051
nr_alloc_batch 1771
nr_inactive_anon 11186
nr_active_anon 96996
nr_inactive_file 113106
nr_active_file 178825
nr_unevictable 8
nr_mlock 8
nr_anon_pages 96917
nr_mapped 31145
nr_file_pages 303206
nr_dirty 13
nr_writeback 0
nr_slab_reclaimable 13001
nr_slab_unreclaimable 5053
nr_page_table_pages 3211
nr_kernel_stack 207
nr_unstable 0
nr_bounce 0
nr_vmscan_write 0
nr_vmscan_immediate_reclaim 0
nr_writeback_temp 0
nr_isolated_anon 0
nr_isolated_file 0
nr_shmem 11275
nr_dirtied 327684
nr_written 314671
nr_pages_scanned 0
workingset_refault 0
workingset_activate 0
workingset_nodereclaim 0
nr_anon_transparent_hugepages 45
nr_free_cma 0
protection: (0, 0, 0, 0)
pagesets
cpu: 0
count: 170
high: 186
batch: 31
vm stats threshold: 42
cpu: 1
count: 134
high: 186
batch: 31
vm stats threshold: 42
cpu: 2
count: 136
high: 186
batch: 31
vm stats threshold: 42
cpu: 3
count: 97
high: 186
batch: 31
vm stats threshold: 42
all_unreclaimable: 0
start_pfn: 1048576
inactive_ratio: 6