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SubjectRe: [PATCH] mm: allocate usemap at first instead of mem_map in sparse_init
On Wed, Apr 2, 2008 at 5:44 PM, Yinghai Lu <yhlu.kernel@gmail.com> wrote:
>
> On Wed, Apr 2, 2008 at 3:52 PM, Andrew Morton <akpm@linux-foundation.org> wrote:
> >
> > On Wed, 2 Apr 2008 15:25:48 -0700 Yinghai Lu <yhlu.kernel.send@gmail.com> wrote:
> >
> > > [PATCH] mm: allocate usemap at first instead of mem_map in sparse_init
> > >
> > > on powerpc,
> > >
> > > On Wed, Apr 2, 2008 at 12:22 PM, Badari Pulavarty <pbadari@us.ibm.com> wrote:
> > > >
> > > > On Wed, 2008-04-02 at 18:17 +1100, Michael Ellerman wrote:
> > > > > On Wed, 2008-04-02 at 12:38 +0530, Kamalesh Babulal wrote:
> > > > > > Andrew Morton wrote:
> > > > > > > On Wed, 02 Apr 2008 11:55:36 +0530 Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:
> > > so try to allocate usemap at first altogether.
> >
> > I have to turn all the above crud into a proper changelog. I'd prefer that
> > you do it.
> >
> > Unless this patch should be folded into another one, in which case it
> > doesn't matter.
> >
> >
> > > Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
> > >
> > > diff --git a/mm/sparse.c b/mm/sparse.c
> > > index d3cb085..782ebe5 100644
> > > --- a/mm/sparse.c
> > > +++ b/mm/sparse.c
> >
> > We shouldn't merge this patch on its own because then that will leave a
> > non-bisectable region in the powerpc history.
> >
> > So which patch is this patch fixing? Lexically it applies to
> > mm-allocate-section_map-for-sparse_init.patch (and its updates). But is
> > that where it logically lies?
>
> yes. we should fold
>
>
> mm-make-mem_map-allocation-continuous.patch
>
> mm-allocate-section_map-for-sparse_init.patch
> and this one
>

please check the big one.
http://lkml.org/lkml/2008/4/2/650

YH


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