uname -a
Linux xxx 2.6.18-128.1.14.el5PAE #1 SMP Wed Jun 17 07:15:54 EDT 2009 i686 i686 i386 GNU/Linux

MemTotal:      8309312 kB
MemFree:       6189224 kB
Buffers:        203608 kB
Cached:        1536812 kB
SwapCached:          0 kB
Active:        1731816 kB
Inactive:       305572 kB
HighTotal:     7470876 kB
HighFree:      5622776 kB
LowTotal:       838436 kB
LowFree:        566448 kB
SwapTotal:     4096564 kB
SwapFree:      4096564 kB
Dirty:            5852 kB
Writeback:           0 kB
AnonPages:      296856 kB
Mapped:          21092 kB
Slab:            62500 kB
PageTables:       7508 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   8251220 kB
Committed_AS:   539312 kB
VmallocTotal:   116728 kB
VmallocUsed:      4992 kB
VmallocChunk:   111660 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

total       used       free     shared    buffers     cached
Mem:          8114       2039       6075          0        198       1500
-/+ buffers/cache:        339       7774
Swap:         4000          0       4000

Nov  7 02:04:50 xxx kernel: Free pages:      282688kB (512kB HighMem)
Nov  7 02:04:50 xxx kernel: Active:23950 inactive:1951246 dirty:0 writeback:0 unstable:0 free:70672 slab:7237 mapped-file:1284 mapped-anon:1981624 pagetables:12335
Nov  7 02:04:50 xxx kernel: DMA free:12188kB min:68kB low:84kB high:100kB active:0kB inactive:0kB present:16384kB pages_scanned:0 all_unreclaimable? yes
Nov  7 02:04:50 xxx kernel: lowmem_reserve[]: 0 0 880 9200
Nov  7 02:04:50 xxx kernel: DMA32 free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
Nov  7 02:04:50 xxx kernel: lowmem_reserve[]: 0 0 880 9200
Nov  7 02:04:50 xxx kernel: Normal free:269988kB min:3756kB low:4692kB high:5632kB active:1536kB inactive:491168kB present:901120kB pages_scanned:1468136 all_unreclaimable? yes
Nov  7 02:04:50 xxx kernel: lowmem_reserve[]: 0 0 0 66560
Nov  7 02:04:50 xxx kernel: HighMem free:512kB min:512kB low:9396kB high:18284kB active:94264kB inactive:7313816kB present:8519680kB pages_scanned:12459933 all_unreclaimable? ye
s
Nov  7 02:04:50 xxx kernel: lowmem_reserve[]: 0 0 0 0
Nov  7 02:04:50 xxx kernel: DMA: 3*4kB 2*8kB 4*16kB 4*32kB 3*64kB 2*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 2*4096kB = 12188kB
Nov  7 02:04:50 xxx kernel: DMA32: empty
Nov  7 02:04:50 xxx kernel: Normal: 1*4kB 0*8kB 6*16kB 8*32kB 1*64kB 0*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 65*4096kB = 269988kB
Nov  7 02:04:50 xxx kernel: HighMem: 30*4kB 1*8kB 0*16kB 0*32kB 2*64kB 0*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 512kB
Nov  7 02:04:50 xxx kernel: 1807 pagecache pages
Nov  7 02:04:50 xxx kernel: Swap cache: add 1025926, delete 1025685, find 581/825, race 0+1
Nov  7 02:04:50 xxx kernel: Free swap  = 0kB
Nov  7 02:04:50 xxx kernel: Total swap = 4096564kB
Nov  7 02:04:50 xxx kernel: Free swap:            0kB
Nov  7 02:04:50 xxx kernel: 2359296 pages of RAM
Nov  7 02:04:50 xxx kernel: 2129920 pages of HIGHMEM
Nov  7 02:04:50 xxx kernel: 281968 reserved pages
Nov  7 02:04:50 xxx kernel: 329023 pages shared
Nov  7 02:04:50 xxx kernel: 241 pages swap cached
Nov  7 02:04:50 xxx kernel: 0 pages dirty
Nov  7 02:04:50 xxx kernel: 0 pages writeback
Nov  7 02:04:50 xxx kernel: 1284 pages mapped
Nov  7 02:04:50 xxx kernel: 7237 pages slab
Nov  7 02:04:50 xxx kernel: 12335 pages pagetables
Nov  7 02:04:50 xxx kernel: Out of memory: Killed process 27014 (httpd).