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Date: Wed, 22 Aug 2007 20:25:03 -0400 From: Joel Fuster <j@...ter.org> To: linux-kernel@...r.kernel.org CC: Joel Fuster <j@...ter.org> Subject: sysfs_dir_cache growing out of control Hi, I am running 2.6.22.3. For reasons that escape me, over time (days) the sysfs_dir_cache, dentry, and inode_cache SLUB entries grow until they consume all the memory on my system, requiring a reboot. Although I did not record objective evidence of this at the time, I suspect I had the same problem with 2.6.18 and 2.6.20...I certainly had the same symptoms. Here is some hopefully useful information. Let me know what else would be helpful. Thanks. P.S. Please keep me CC'd as I do not subscribe to the list. Linux periphas 2.6.22.3 #1 SMP Mon Aug 20 21:47:51 EDT 2007 x86_64 GNU/Linux ************************************* 18:30:02 up 21:27, 4 users, load average: 0.22, 0.36, 0.35 MemTotal: 1026056 kB MemFree: 8996 kB Buffers: 176 kB Cached: 209524 kB SwapCached: 32308 kB Active: 610448 kB Inactive: 170004 kB SwapTotal: 1048568 kB SwapFree: 710260 kB Dirty: 2444 kB Writeback: 0 kB AnonPages: 568988 kB Mapped: 34360 kB Slab: 210664 kB SReclaimable: 179460 kB SUnreclaim: 31204 kB PageTables: 10008 kB NFS_Unstable: 0 kB Bounce: 0 kB CommitLimit: 1561596 kB Committed_AS: 1184628 kB VmallocTotal: 34359738367 kB VmallocUsed: 1032 kB VmallocChunk: 34359737307 kB Name Objects Objsize Space Slabs/Part/Cpu O/S O %Fr %Ef Flg :0000016 2937 16 65.5K 16/5/2 256 0 31 71 * :0000024 1222 24 32.7K 8/0/2 170 0 0 89 * :0000032 2095 32 73.7K 18/3/2 128 0 16 90 * :0000040 1862 40 172.0K 42/31/2 102 0 73 43 * :0000064 4651 64 434.1K 106/46/2 64 0 43 68 * :0000072 81 72 8.1K 2/0/2 56 0 0 71 * :0000096 937 96 135.1K 33/14/2 42 0 42 66 * :0000112 144 112 16.3K 4/0/1 36 0 0 98 * :0000128 595 128 118.7K 29/19/2 32 0 65 64 * :0000192 807 192 262.1K 64/36/2 21 0 56 59 * :0000256 3504 256 897.0K 219/0/2 16 0 0 100 * :0000320 47 320 16.3K 4/1/2 12 0 25 91 *A :0000384 56 384 28.6K 7/1/2 10 0 14 75 *A :0000512 238 512 135.1K 33/7/2 8 0 21 90 * :0000704 133 704 114.6K 14/7/2 11 1 50 81 *A :0000768 180 744 159.7K 39/9/2 5 0 23 83 *A :0000832 90 832 114.6K 14/11/2 9 1 78 65 *A :0001024 370 1024 393.2K 96/9/2 4 0 9 96 * :0002048 474 2048 974.8K 119/1/2 4 1 0 99 * :0004096 114 4096 483.3K 59/2/2 2 1 3 96 * Acpi-State 102 80 8.1K 2/0/2 51 0 0 99 anon_vma 2561 24 90.1K 22/10/2 128 0 45 68 bdev_cache 53 736 45.0K 11/0/2 5 0 0 86 Aa blkdev_queue 45 1480 73.7K 9/0/2 5 1 0 90 blkdev_requests 42 280 16.3K 4/0/2 14 0 0 71 buffer_head 2695 104 327.6K 80/25/2 39 0 31 85 a cfq_io_context 189 152 32.7K 8/3/2 26 0 37 87 cfq_queue 203 144 32.7K 8/4/2 28 0 50 89 dentry 228340 200 46.7M 11418/0/2 20 0 0 97 a ext3_inode_cache 16 736 24.5K 6/4/2 5 0 66 47 a file_lock_cache 46 176 16.3K 4/2/2 22 0 50 49 idr_layer_cache 135 528 81.9K 20/1/2 7 0 5 87 inode_cache 224448 536 131.3M 32065/0/2 7 0 0 91 a kmalloc-16384 8 16384 163.8K 10/0/2 1 2 0 80 kmalloc-32768 34 32768 1.1M 34/0/1 1 3 0 100 kmalloc-65536 3 65536 196.6K 3/0/2 1 4 0 100 kmalloc-8 893 8 8.1K 2/0/2 512 0 0 87 kmalloc-8192 14 8192 131.0K 16/0/2 1 1 0 87 kmalloc_dma-512 8 512 4.0K 1/0/1 8 0 0 100 d mqueue_inode_cache 9 824 8.1K 1/0/1 9 1 0 90 A proc_inode_cache 28 568 40.9K 10/8/2 7 0 80 38 a radix_tree_node 2759 552 2.2M 544/243/2 7 0 44 68 raid5-md2 259 584 151.5K 37/0/1 7 0 0 99 shmem_inode_cache 524 728 434.1K 106/5/2 5 0 4 87 sighand_cache 135 2080 376.8K 46/2/2 3 1 4 74 A sigqueue 8 160 8.1K 2/0/2 25 0 0 15 sock_inode_cache 261 616 192.5K 47/8/2 6 0 17 83 Aa sysfs_dir_cache 229196 88 20.4M 4984/2/2 46 0 0 98 task_struct 152 1696 327.6K 40/6/2 4 1 15 78 TCP 27 1496 57.3K 7/2/2 5 1 28 70 A UNIX 218 640 155.6K 38/5/2 6 0 13 89 A vm_area_struct 7107 168 1.2M 300/19/2 24 0 6 97 xfs_acl 14 304 8.1K 2/0/2 13 0 0 51 xfs_buf_item 30 184 8.1K 2/0/2 22 0 0 67 xfs_da_state 8 488 8.1K 2/0/2 8 0 0 47 xfs_efd_item 11 360 8.1K 2/0/2 11 0 0 48 xfs_efi_item 12 352 8.1K 2/0/2 11 0 0 51 xfs_inode 4634 544 2.7M 662/0/2 7 0 0 92 Aa xfs_vnode 4638 576 3.1M 773/0/2 6 0 0 84 Aa - 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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