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SubjectRe: swapper: page allocation failure.
Date

----- Original Message -----
From: "Chris Wedgwood" <cw@f00f.org>
To: "Haar J?nos" <djani22@netcenter.hu>
Cc: <linux-kernel@vger.kernel.org>
Sent: Sunday, May 21, 2006 10:47 AM
Subject: Re: swapper: page allocation failure.

> On Sun, May 21, 2006 at 10:37:00AM +0200, Haar J?nos wrote:
>
> > total used free shared buffers
cached
> > Mem: 2073048 893360 1179688 0 829092
19820
> > Low: 893464 868352 25112 0 0
0
> > High: 1179584 25008 1154576 0 0
0
> > -/+ buffers/cache: 44448 2028600
> > Swap: 0 0 0
>
> looks bad for lowmem
>
> what does /proc/meminfo say?
>
> what about the output from "slabtop -sc" ?

Here comes:

Active / Total Objects (% used) : 243896 / 258956 (94.2%)
Active / Total Slabs (% used) : 6243 / 6261 (99.7%)
Active / Total Caches (% used) : 76 / 151 (50.3%)
Active / Total Size (% used) : 20769.86K / 23348.68K (89.0%)
Minimum / Average / Maximum Object : 0.01K / 0.09K / 128.00K

OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME
208872 206768 98% 0.05K 2901 72 11604K buffer_head
4960 4051 81% 0.68K 992 5 3968K nfs_inode_cache
9996 6478 64% 0.27K 714 14 2856K radix_tree_node
566 530 93% 2.00K 283 2 1132K size-2048
4680 4014 85% 0.12K 156 30 624K dentry_cache
1430 1409 98% 0.39K 143 10 572K inode_cache
65 65 100% 8.00K 65 1 520K size-8192
258 256 99% 1.32K 86 3 344K raid5/md0
5460 5435 99% 0.04K 65 84 260K sysfs_dir_cache
945 882 93% 0.25K 63 15 252K size-256
456 438 96% 0.50K 57 8 228K size-512
2891 2514 86% 0.06K 49 59 196K size-64
675 474 70% 0.25K 45 15 180K skbuff_head_cache
176 165 93% 1.00K 44 4 176K size-1024
1320 744 56% 0.12K 44 30 176K bio
42 37 88% 4.00K 42 1 168K size-4096
1170 1073 91% 0.12K 39 30 156K size-128
351 316 90% 0.40K 39 9 156K proc_inode_cache
4068 3298 81% 0.03K 36 113 144K size-32
660 160 24% 0.19K 33 20 132K filp
84 64 76% 1.30K 28 3 112K task_struct
1232 441 35% 0.09K 28 44 112K vm_area_struct
69 63 91% 1.31K 23 3 92K sighand_cache
20 20 100% 4.00K 20 1 80K pgd
396 244 61% 0.17K 18 22 72K blkdev_requests
1 1 100% 64.00K 1 1 64K size-65536
160 153 95% 0.38K 16 10 64K skbuff_fclone_cache
32 32 100% 2.00K 16 2 64K sgpool-128
15 3 20% 4.00K 15 1 60K names_cache
1196 1138 95% 0.04K 13 92 52K acpi_operand
2639 640 24% 0.02K 13 203 52K biovec-1
12 11 91% 3.00K 6 2 48K biovec-(256)
180 162 90% 0.25K 12 15 48K sgpool-16
96 82 85% 0.50K 12 8 48K sgpool-32
110 64 58% 0.38K 11 10 44K signal_cache
40 37 92% 0.97K 10 4 40K blkdev_queue
32 32 100% 1.00K 8 4 32K sgpool-64
80 80 100% 0.38K 8 10 32K scsi_cmd_cache
413 263 63% 0.06K 7 59 28K as_arq
180 150 83% 0.12K 6 30 24K kmem_cache
54 20 37% 0.44K 6 9 24K mm_struct
15 15 100% 1.50K 3 5 24K biovec-128
180 180 100% 0.12K 6 30 24K sgpool-8
42 36 85% 0.50K 6 7 24K nfs_write_data
505 64 12% 0.04K 5 101 20K pid
50 21 42% 0.38K 5 10 20K files_cache
145 112 77% 0.13K 5 29 20K idr_layer_cache
35 26 74% 0.56K 5 7 20K bdev_cache
35 23 65% 0.50K 5 7 20K sock_inode_cache
25 23 92% 0.75K 5 5 20K biovec-64
35 32 91% 0.50K 5 7 20K nfs_read_data

Cheers,
Janos

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