lkml.org 
[lkml]   [2005]   [Jan]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch 1/13] Qsort
On Sun, Jan 23, 2005 at 06:08:36AM +0100, Andreas Gruenbacher wrote:
> On Sunday 23 January 2005 00:28, Matt Mackall wrote:
> > So the stack is going to be either 256 or 1024 bytes. Seems like we
> > ought to kmalloc it.
>
> This will do. I didn't check if the +1 is strictly needed.
>
> - stack_node stack[STACK_SIZE];
> + stack_node stack[fls(size) - fls(MAX_THRESH) + 1];

Yes, indeed. Though I think even here, we'd prefer to use kmalloc
because gcc generates suboptimal code for variable-sized stack vars.

--
Mathematics is the supreme nostalgia of our time.
-
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/

\
 
 \ /
  Last update: 2005-03-22 14:09    [W:0.081 / U:0.712 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site