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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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