Hi, How to decode the stats thrown by the oom killer ? Is there any good in depth documentation out there for this ? Node 0 DMA per-cpu: cpu 0 hot: high 0, batch 1 used:0 cpu 0 cold: high 0, batch 1 used:0 Node 0 DMA32 per-cpu: cpu 0 hot: high 186, batch 31 used:25 cpu 0 cold: high 62, batch 15 used:49 Node 0 Normal per-cpu: empty Node 0 HighMem per-cpu: empty Free pages: 3532kB (0kB HighMem) Active:4471 inactive:4099 dirty:1 writeback:0 unstable:0 free:883 slab:14568 mapped-file:542 mapped-anon:8049 pagetables:1033 Node 0 DMA free:368kB min:44kB low:52kB high:64kB active:0kB inactive:0kB present:9700kB pages_scanned:0 all_unreclaimable? yes lowmem_reserve[]: 0 632 632 632 Node 0 DMA32 free:3164kB min:3192kB low:3988kB high:4788kB active:17884kB inactive:16396kB present:647348kB pages_scanned:920345 all_unreclaims lowmem_reserve[]: 0 0 0 0 Node 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 Node 0 HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 30*4kB 7*8kB 2*16kB 1*32kB 0*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 368kB Node 0 DMA32: 81*4kB 53*8kB 65*16kB 23*32kB 0*64kB 1*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 3164kB Node 0 Normal: empty Node 0 HighMem: empty 8602 pagecache pages Swap cache: add 21037, delete 12988, find 320/473, race 0+1 Free swap = 940120kB Total swap = 1020116kB Out of memory: Killed process 2024, UID 51, (sendmail). Regards.