Re: [RFC] global page support

[Samuel Thibault]

Hi,

olafBuddenhagen@gmx.net, le Sun 24 Dec 2006 13:35:37 +0100, a écrit :
> On Thu, Dec 21, 2006 at 12:45:11AM +0100, Samuel Thibault wrote:
> 
> > Global pages permit to keep the kernel pages in the TLB whatever the
> > current process, here is a patch for supporting them. On my Pentium M,
> > I get a 5% speedup on dd < /dev/zero bs=1 > /dev/null .
> 
> When was the extension introduced? Should I expect a difference on my
> Pentium 3e (Coppermine)?

Look for "pge" in linux' /proc/cpuinfo flags.

Samuel