On Thu, Jul 21, 2005 at 09:34:14AM -0300, Márcio Oliveira wrote: > Arjan van de Ven wrote: > > >On Wed, 2005-07-20 at 11:23 -0300, Márcio Oliveira wrote: > > > > > >>Arjan van de Ven wrote: > >> > >> > >> > >>>I'm sure RH support will be able to help you with that; I doubt many > >>>other people care about an ancient kernel like that, and a vendor one to > >>>boot. > >>> > >>>(Also I assume you are using the -hugemem kernel as the documentation > >>>recommends you to do) > >>> > >>> > >>> > >>> > >>> > >>Arjan, > >> > >> I'd like to know/understand more about memory management on Linux > >>Kernel and I belive this concept is applyable to the Red Hat Linux Kernel. > >> > >> > > > >Only on the highest of levels. The RHEL3 kernel has a VM that resembles > >almost no other linux kernel in many many ways. > > > > > > > > > >> I have some doubts about the ZONE divison (DMA, NORMAL, HIGHMEM), > >>Shared Memory utilization, HugeTLB feature and OOM with large memory and > >>the kernel management of memory on SMP machines. I believe these > >>features are common to the Linux kernel in general(Red Hat, Debian, > >>SuSe, kernel.org), right? > >> > >> > > > >nope. These things are very much different between the kernels you > >mention. > > > >What do you want to use the knowledge for? Fixing the VM? Tuning your > >server? The goal of your question determines what kind of answer you > >want to your questions.... > > > > > It's about tunning the VM parameters... > > That's my first question on list: > > "Is HugeTBL proc memory parameters only to hugetlbfs "filesystem" or are > these parameters affect ramfs, shm and tmpfs too? > > What is the basic difference between ramfs, hugetlbfs, shm and tmpfs to > the memory management / process VLM utilization? > > thanks, > http://people.redhat.com/nhorman/papers/rhel3_vm.pdf I wrote this with norm awhile back. It may help you out. Regards Neil
> Márcio." > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- /*************************************************** *Neil Horman *Software Engineer *Red Hat, Inc. [EMAIL PROTECTED] *gpg keyid: 1024D / 0x92A74FA1 *http://pgp.mit.edu ***************************************************/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
