Re: Cyrix 6x86MX and Centaur C6 CPUs in 2.1.102

Rik van Riel (
Mon, 18 May 1998 22:00:58 +0200 (MET DST)

On Mon, 18 May 1998, Phil's Kernel Account wrote:
> On Mon, 18 May 1998, [ISO-8859-1] André Derrick Balsa wrote:
> #I have a question. The 6x86MX allows one to lock L1 cache lines. Would
> #it be interesting to group some kernel variables and keep them in the L1
> #cache? Would that increase the kernel performance during context
> #switches?
> First off, YES. You *CAN* lock L1 cache lines. I personally don't suggest
> it, but you can do it. And you probably could, it probably would.
> #Please give me a hint of which data structures could be kept in the L1
> #cache, and their size.
> Uh, Alan? Linus? Hints?

A good candidate would be the first lines of the
task_struct and tss structs of the top 4 CPU using
Or maybe some very-often-used kernel structure.

| Linux: - LinuxHQ MM-patches page | Scouting webmaster |
| - kswapd ask-him & complain-to guy | Vries cubscout leader |
| | <> |

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to