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SubjectRe: [patch 10/17] mm: fix bootmem alignment
On Thu, Apr 10, 2008 at 10:33:50AM -0700, Yinghai Lu wrote:
> On Thu, Apr 10, 2008 at 10:02 AM, <npiggin@suse.de> wrote:
> > Without this fix bootmem can return unaligned addresses when the start of a
> > node is not aligned to the align value. Needed for reliably allocating
> > gigabyte pages.
> >
> > I removed the offset variable because all tests should align themself correctly
> > now. Slight drawback might be that the bootmem allocator will spend
> > some more time skipping bits in the bitmap initially, but that shouldn't
> > be a big issue.
> >
>
>
> this patch from Andi was obsoleted by the one in -mm

Ah, great thanks for letting me know.



> The patch titled
> mm: offset align in alloc_bootmem
> has been added to the -mm tree. Its filename is
> mm-offset-align-in-alloc_bootmem.patch
>
> ------------------------------------------------------
> Subject: mm: offset align in alloc_bootmem
> From: Yinghai Lu <yhlu.kernel.send@gmail.com>
>
> Need offset alignment when node_boot_start's alignment is less than align
> required
>
> Use local node_boot_start to match align. so don't add extra opteration in
> search loop.
>
> Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
> Cc: Andi Kleen <ak@suse.de>
> Cc: Yasunori Goto <y-goto@jp.fujitsu.com>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> Cc: Ingo Molnar <mingo@elte.hu>
> Cc: Christoph Lameter <clameter@sgi.com>
> Cc: Mel Gorman <mel@csn.ul.ie>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>


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