On Thursday 19 January 2006 12:13, scientica (GMail) wrote: > Just out of curiosity, what's the slab? and what is the expected size > of it? I just checked mine and it seems to eat some 304596 kB > (2.6.14-ck4, soon 68d uptime). The only problems I've had recently is > firefox crashing more than it should (but it could simply be me having > a billion or so windows and tabs open, and it's the > mozilla-firefox-bin-1.5-r2 from portage which is masked ~amd64, so > it's probably just buggy - it dies with a segfault after beeing stuck > at 100% CPU for a while, cant see any OOM-messages anywhere), other > than that I've been able to both emerge stuff (nice'd though), > download stuff and burn backups DVD's with out problems - > simultaneously - and the system was still responsive :) The slab layer in the kernel is an algorithm that attempts to reserve a sane amount of memory for a given highly-used data structure in the kernel. By using the slab layer to keep memory reserved and ready, performance-critical sections of the kernel code (say, code that receives a packet) doesn't have to stop and succeed an allocation before continuing. Cheers, Chase - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
