Re: i686 SMP systems with more then 12 GB ram with 2.4.x kernel ?

From: Rik van Riel (riel@conectiva.com.br)
Date: Thu Jan 03 2002 - 08:30:58 EST

Next message: Horst von Brand: "Re: ISA slot detection on PCI systems?"
Previous message: Rik van Riel: "Re: i686 SMP systems with more then 12 GB ram with 2.4.x kernel ?"
In reply to: Alan Cox: "Re: i686 SMP systems with more then 12 GB ram with 2.4.x kernel ?"
Next in thread: Hugh Dickins: "Re: i686 SMP systems with more then 12 GB ram with 2.4.x kernel ?"
Reply: Hugh Dickins: "Re: i686 SMP systems with more then 12 GB ram with 2.4.x kernel ?"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

On Thu, 3 Jan 2002, Alan Cox wrote:

> > Which function does the reserved memory fulfill ?
> > Is it all for paging ?
>
> A lot of it is the page structs (64bytes per page - which really
> should be nearer the 32 some rival Unix OS's achieve on x86)

The 2.4 kernel has the page struct at 52 bytes in size,
William Lee Irwin and I have brought this down to 36.

Expect to see this integrated into the rmap VM soon ;)

regards,

Rik

-- Shortwave goes a long way: irc.starchat.net #swl

http://www.surriel.com/ http://distro.conectiva.com/

- 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/

Next message: Horst von Brand: "Re: ISA slot detection on PCI systems?"
Previous message: Rik van Riel: "Re: i686 SMP systems with more then 12 GB ram with 2.4.x kernel ?"
In reply to: Alan Cox: "Re: i686 SMP systems with more then 12 GB ram with 2.4.x kernel ?"
Next in thread: Hugh Dickins: "Re: i686 SMP systems with more then 12 GB ram with 2.4.x kernel ?"
Reply: Hugh Dickins: "Re: i686 SMP systems with more then 12 GB ram with 2.4.x kernel ?"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Mon Jan 07 2002 - 21:00:21 EST