lkml.org 
[lkml]   [2007]   [Jun]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 4/4] mm: variable length argument support
On Wed, Jun 06, 2007 at 01:36:58AM -0700, Andrew Morton wrote:
> On Tue, 05 Jun 2007 17:05:27 +0200 Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
>
> > From: Ollie Wild <aaw@google.com>
> >
> > Remove the arg+env limit of MAX_ARG_PAGES by copying the strings directly
> > from the old mm into the new mm.
> >
> > We create the new mm before the binfmt code runs, and place the new stack
> > at the very top of the address space. Once the binfmt code runs and figures
> > out where the stack should be, we move it downwards.
> >
> > It is a bit peculiar in that we have one task with two mm's, one of which is
> > inactive.
> >
> > ...
> >
> > + flush_cache_page(bprm->vma, kpos,
> > + page_to_pfn(kmapped_page));
>
> Breaks SuperH:
>
> fs/exec.c: In function `bprm_mm_init':
> fs/exec.c:268: warning: unused variable `vma'
> fs/exec.c: In function `copy_strings':
> fs/exec.c:431: error: structure has no member named `vma'
>
More pointedly, bprm->vma doesn't exist if CONFIG_MMU=n, which Andrew's
config seems to have ;-)
-
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: 2007-06-06 10:47    [W:0.104 / U:0.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site