Making sense of OOM killer messages?

[Naoki]

Hi all,

I've just had oom killer toast a process.  From the messages can I tell
how much memory (real/swap) this process was using before it was
blasted?

kernel: Normal free:3304kB min:3756kB low:4692kB high:5632kB
active:343712kB inactive:466528kB present:901120kB pages_scanned:2328996
all_unreclaimable? yes
kernel: protections[]: 0 0 0
HighMem free:512kB min:512kB low:640kB high:768kB active:568648kB
inactive:567380kB present:1179072kB pages_scanned:508296
all_unreclaimable? no
protections[]: 0 0 0
kernel: DMA: 1*4kB 0*8kB 2*16kB 1*32kB 0*64kB 0*128kB 0*256kB 0*512kB
0*1024kB 0*2048kB 0*4096kB = 68kB
kernel: Normal: 0*4kB 1*8kB 0*16kB 19*32kB 0*64kB 15*128kB 3*256kB
0*512kB 0*1024kB 0*2048kB 0*4096kB = 3304kB
kernel: HighMem: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB
1*512kB 0*1024kB 0*2048kB 0*4096kB = 512kB
kernel: Swap cache: add 5952419, delete 5951922, find 42444162/42881561,
race 35+213
kernel: Free swap:            0kB
kernel: 524144 pages of RAM
kernel: 294768 pages of HIGHMEM
kernel: 5277 reserved pages
kernel: 2594451 pages shared
kernel: 497 pages swap cached
kernel: Out of Memory: Killed process 15156 (httpd).
kernel: oom-killer: gfp_mask=0xd0