Re: temp. mem mappings

["Joseph A. Knapka" <jknapka@earthlink.net>]

"Stephen C. Tweedie" wrote:
> 
> Hi,
> 
> On Thu, Jun 07, 2001 at 09:38:06PM -0400, cohutta wrote:
> 
> > >Right --- you can use alloc_pages but we haven't done the
> > >initialisation of the kmalloc slabsl by this point.
> >
> > My testing indicates that i can't use __get_free_page(GFP_KERNEL)
> > any time during setup_arch() [still x86].  It causes a BUG
> > in slab.c (line 920) [linux 2.4.5].
> 
> After paging_init(), it should be OK --- as long as there is enough
> memory that you don't end up calling the VM try_to_free_page routines.
> Those will definitely choke this early in boot.

But we don't actually give the zone allocator any free pages
until mem_init().

- Joe

-- Joseph A. Knapka
"You know how many remote castles there are along the gorges? You
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