On Wed, 2005-08-31 at 20:32 +0200, Bastian Balthazar Bux wrote: > Ow Mun Heng wrote: > > [quote] > > Allocate 3rd-level pagetables from highmem (HIGHPTE) > > > > The VM uses one page table entry for each page of physical memory. > > For systems with a lot of RAM, this can be wasteful of precious > > low memory. Setting this option will put user-space page table > > entries in high memory. > > [/quote] > > > > I have 1.5Gb of RAM, will this be useful for me? > > > Not sure but: > 3rd-level pagetables are for systems with a *lot* of memory that don't > want to waste space in the lowest gig of mem (to keep addresses of high > mem.). > > So basically no advantage with 1.5 gig
Ah.. I see. Thanks. (as it turns out, seems like my make oldconfig wasn't really using the old config. I had many iterations of my kernel being compiled with diff stuffs. Finally found that the 4GB option wasn't turned 'on') /me wonders when I will have >4GB of ram and load everything into RAM (and XFS filesystems). Can you say Super TUX? hehe.. -- Ow Mun Heng Gentoo/Linux on DELL D600 1.4Ghz 1.5GB RAM 98% Microsoft(tm) Free!! Neuromancer 09:53:42 up 11:52, 5 users, load average: 0.74, 1.25, 2.45 -- gentoo-user@gentoo.org mailing list
