Linux version 2.4.19-pre9-ac3 (root@logger) (gcc version 2.95.4 20011002
(Debian prerelease)) #1 Fri May 31 10:27:42 EDT 2002
SysRq : Show Memory
Mem-info:
Free pages: 336kB ( 0kB HighMem)
Zone:DMA freepages: 132kB min: 128kB low: 256kB high: 384kB
Zone:Normal freepages: 204kB min: 128kB low: 256kB high: 384kB
Zone:HighMem freepages: 0kB min: 0kB low: 0kB high: 0kB
Free pages: 336kB ( 0kB HighMem)
( Active: 251, inactive_dirty: 85, inactive_clean: 95, free: 84 )
3*4kB 1*8kB 1*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB = 132
kB)
19*4kB 2*8kB 1*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB = 20
4kB)
= 0kB)
Swap cache: add 22459, delete 22459, find 306/342, race 0+0
Free swap: 0kB
8192 pages of RAM
0 pages of HIGHMEM
587 reserved pages
419 pages shared
0 pages swap cached
0 pages in page table cache
Buffer memory: 252kB
Cache memory: 1104kB
And here is the /proc/slabinfo:
slabinfo - version: 1.1 (statistics)
kmem_cache 58 84 136 3 3 1 : 58 58 3 0 0
tcp_tw_bucket 0 0 96 0 0 1 : 12 60 3 3 0
tcp_bind_bucket 0 0 24 0 0 1 : 17 102 1 1 0
tcp_open_request 0 0 64 0 0 1 : 1 33 6 6 0
inet_peer_cache 1 78 48 1 1 1 : 2 3 1 0 0
ip_fib_hash 9 145 24 1 1 1 : 9 18 1 0 0
ip_dst_cache 14 48 160 2 2 1 : 215 436 9 7 0
arp_cache 2 32 120 1 1 1 : 4 5 1 0 0
blkdev_requests 144 160 96 4 4 1 : 144 144 4 0 0
journal_head 24 67 56 1 1 1 : 472 59897 8 7 0
revoke_table 6 169 20 1 1 1 : 6 6 1 0 0
revoke_record 0 0 24 0 0 1 : 11 34 2 2 0
dnotify_cache 0 0 28 0 0 1 : 0 0 0 0 0
file_lock_cache 0 0 100 0 0 1 : 13 5100 3 3 0
fasync_cache 0 0 24 0 0 1 : 0 0 0 0 0
uid_cache 0 0 32 0 0 1 : 4 10 1 1 0
skbuff_head_cache 128 208 152 8 8 1 : 193 376 8 0 0
sock 4 9 832 1 1 2 : 30 25520 7 6 0
sigqueue 29 56 140 2 2 1 : 46 35422 31 29 0
kiobuf 0 0 64 0 0 1 : 0 0 0 0 0
cdev_cache 1 78 48 1 1 1 : 273 317 4 3 0
bdev_cache 6 59 64 1 1 1 : 7 6655 1 0 0
mnt_cache 16 56 68 1 1 1 : 16 16 1 0 0
inode_cache 63 104 476 13 13 1 : 1531 59580 213 0 0
dentry_cache 49 165 116 5 5 1 : 3144 59435 136 0 0
filp 421 442 112 13 13 1 : 421 421 13 0 0
names_cache 0 1 4096 0 1 1 : 11 341326 242 241 0
buffer_head 6939 7104 104 192 192 1 : 7129 69493 206 14 0
mm_struct 4 27 144 1 1 1 : 60 41828 3 2 0
vm_area_struct 49 100 76 1 2 1 : 1057 1229416 50 48 0
fs_cache 3 84 44 1 1 1 : 59 41828 1 0 0
files_cache 3 9 424 1 1 1 : 59 41828 11 10 0
signal_act 11 12 1312 4 4 1 : 67 41836 38 34 0
size-131072(DMA) 0 0 131072 0 0 32 : 0 0 0 0 0
size-131072 0 0 131072 0 0 32 : 0 0 0 0 0
size-65536(DMA) 0 0 65536 0 0 16 : 0 0 0 0 0
size-65536 0 0 65536 0 0 16 : 0 0 0 0 0
size-32768(DMA) 0 0 32768 0 0 8 : 0 0 0 0 0
size-32768 0 0 32768 0 0 8 : 0 0 0 0 0
size-16384(DMA) 0 0 16384 0 0 4 : 0 0 0 0 0
size-16384 2 2 16384 2 2 4 : 2 2 2 0 0
size-8192(DMA) 0 0 8192 0 0 2 : 0 0 0 0 0
size-8192 2 2 8192 2 2 2 : 2 2 2 0 0
size-4096(DMA) 0 0 4096 0 0 1 : 0 0 0 0 0
size-4096 7 7 4096 7 7 1 : 40 1269 101 94 0
size-2048(DMA) 0 0 2048 0 0 1 : 0 0 0 0 0
size-2048 10 10 2048 5 5 1 : 14 446 29 24 0
size-1024(DMA) 0 0 1024 0 0 1 : 0 0 0 0 0
size-1024 28 32 1024 8 8 1 : 60 28972 23 15 0
size-512(DMA) 0 0 512 0 0 1 : 0 0 0 0 0
size-512 28 40 512 5 5 1 : 194 11279 90 85 0
size-256(DMA) 0 0 264 0 0 1 : 0 0 0 0 0
size-256 8 15 264 1 1 1 : 98 64087 53 52 0
size-128(DMA) 0 0 136 0 0 1 : 0 0 0 0 0
size-128 433 448 136 16 16 1 : 476 51172 19 3 0
size-64(DMA) 0 0 72 0 0 1 : 0 0 0 0 0
size-64 110 159 72 3 3 1 : 162 13733 5 2 0
size-32(DMA) 0 0 40 0 0 1 : 0 0 0 0 0
size-32 151 276 40 3 3 1 : 848 391898 14 11 0
This is with the 2.4.19-pre9-ac3 kernel, on a PPro200 with 32mb of RAM.
I can reproduce this in either single-user mode or multi-user mode by a
"while true; do swapoff -a & swapon -a ; done" and letting it run a
swapon/swapoff cycle about 6,000 times.
--
Burton Windle burton@fint.org
Linux: the "grim reaper of innocent orphaned children."
from /usr/src/linux-2.4.18/init/main.c:461
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