> No, ulimit does not work. (But it helps a little.)
no, not perfect, i very much agree. but in daily usage it reduces
chance of OOM to close to 0.
> No, /proc/sys/vm/overcommit_memory does not work.
that's because it disables the very rough resource checking that
linux has. it makes OOM even easier to achieve:
mm/mmap.c::vm_enough_memory():
/* Sometimes we want to use more memory than we have. */
if (sysctl_overcommit_memory)
return 1;
it doesn't make linux go into a 'non-overcommit' mode, cause linux
does not have the accounting to cover it...
solution according to more knowledgable folks than i, sysadmin, is
better accounting so that vm_enough_memory can be more accurate
rather than developing an all-seeing oom_killer().
> Andries
regards,
-- Paul Jakma paul@clubi.ie paul@jakma.org PGP5 key: http://www.clubi.ie/jakma/publickey.txt ------------------------------------------- Fortune: "We are on the verge: Today our program proved Fermat's next-to-last theorem." -- Epigrams in Programming, ACM SIGPLAN Sept. 1982- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/