[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: I/O permission bitmap patch for oskit-mach

From: Marcus Brinkmann
Subject: Re: I/O permission bitmap patch for oskit-mach
Date: Mon, 11 Mar 2002 03:45:11 +0100
User-agent: Mutt/1.3.27i

On Fri, Mar 08, 2002 at 07:14:46PM -0500, Roland McGrath wrote:
> The io_bitmap_* functions can be static (and get inlined), no?

Yes, done.

> You left machine_task_zone.

Uh, removed.

> Btw, you could use a zone for the iopb's instead of
> kalloc, since they are all the same size.  It's not much difference, but
> maybe a wee bit faster.

Do you think the performance increase is worth the memory overhead of a
zone, esp if you preallocate iopb's (each being 8192 bytes huge)?

> With the alias decl, you should not need the
> #define for base_tss any more.  It's clearer to just use ktss in the function.


New patch, for now without a zone for iopb's, at


`Rhubarb is no Egyptian god.' Debian http://www.debian.org brinkmd@debian.org
Marcus Brinkmann              GNU    http://www.gnu.org    marcus@gnu.org

reply via email to

[Prev in Thread] Current Thread [Next in Thread]