Messages in this thread | | | Subject | Re: [QN/PATCH] Why do some archs allocate stack via kmalloc, others via get_free_pages? | From | Nigel Cunningham <> | Date | Sat, 23 Jul 2005 00:57:04 +1000 |
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Hi.
On Fri, 2005-07-22 at 17:50, David S. Miller wrote: > From: Nigel Cunningham <ncunningham@cyclades.com> > Date: Fri, 22 Jul 2005 14:11:17 +1000 > > > In making some modifications to Suspend, we've discovered that some > > arches use kmalloc and others use get_free_pages to allocate the stack. > > Is there a reason for the variation? If not, could the following patch > > be considered for inclusion (tested on x86 only). > > Some platforms really need it to be page aligned (sparc32 sun4c needs > to virtually map the resulting pages into a specific place, for > example). > > But, for the ones that don't have this requirement, they want the > cache coloring.
Thanks David.
Nigel
-- Evolution. Enumerate the requirements. Consider the interdependencies. Calculate the probabilities.
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