RE: [linux-sh:01934] Re: [linuxsh-dev] Different old_mmap behavior in 2.4.5 and 2.4.8

[Bao C. H. <ba...@se...>]

Hi NIIBE,

Thank you.  We will try them.

Hi Ulrich,

Sorry to get you into this.  It looks like we are getting
a satisfactory resolution of consistent kernel behaviors
across platforms now.

Appreciate everybody's help and insight/suggestion.

Regards.
Bao

> -----Original Message-----
> From: NIIBE Yutaka [mailto:gn...@m1...]
> Sent: Tuesday, September 11, 2001 5:42 PM
> To: Ulrich Drepper; Bao C. Ha
> Cc: lin...@li...; lin...@m1...
> Subject: [linux-sh:01934] Re: [linuxsh-dev] Different 
> old_mmap behavior
> in 2.4.5 and 2.4.8
> 
> 
> My bad.
> 
> Bao, please try version 1.6 (former version) of 
> arch/sh/kernel/sys_sh.c.
> 
> It did checks if the page is shared or not.  It does COLOUR_ALIGN the
> address, only if it's shared.
> 
> At that time, I did find always COLOUR_ALIGN makes the performance
> better (because of good cache hit), and didn't know it breaks
> semantics and some applications.
> 
> I'll revert the change of following:
> 
> 2001-08-03  NIIBE Yutaka  <gn...@m1...>
> 
> 	* arch/sh/kernel/sys_sh.c (arch_get_unmapped_area): Always align
> 	to 16KB.
> -- 
>