Re: [PATCH v2 6/6] slub: only preallocate cpus_with_slabs if offstack

[PATCH v2 0/6] Reduce cross CPU IPI interference · Gilad Ben-Yossef <gilad@benyossef.com> · 2011-10-23
[PATCH v2 1/6] smp: Introduce a generic on_each_cpu_mask function · Gilad Ben-Yossef <gilad@benyossef.com> · 2011-10-23
[PATCH v2 2/6] arm: Move arm over to generic on_each_cpu_mask · Gilad Ben-Yossef <gilad@benyossef.com> · 2011-10-23
[PATCH v2 3/6] tile: Move tile to use generic on_each_cpu_mask · Gilad Ben-Yossef <gilad@benyossef.com> · 2011-10-23
[PATCH v2 4/6] mm: Only IPI CPUs to drain local pages if they exist · Gilad Ben-Yossef <gilad@benyossef.com> · 2011-10-23
Re: [PATCH v2 4/6] mm: Only IPI CPUs to drain local pages if they exist · Rik van Riel <hidden> · 2011-10-28
Re: [PATCH v2 4/6] mm: Only IPI CPUs to drain local pages if they exist · Gilad Ben-Yossef <gilad@benyossef.com> · 2011-10-29
Re: [PATCH v2 4/6] mm: Only IPI CPUs to drain local pages if they exist · Christoph Lameter <cl@gentwo.org> · 2011-11-02
Re: [PATCH v2 4/6] mm: Only IPI CPUs to drain local pages if they exist · Gilad Ben-Yossef <gilad@benyossef.com> · 2011-11-10
[PATCH v2 5/6] slub: Only IPI CPUs that have per cpu obj to flush · Gilad Ben-Yossef <gilad@benyossef.com> · 2011-10-23
Re: [PATCH v2 5/6] slub: Only IPI CPUs that have per cpu obj to flush · Christoph Lameter <cl@gentwo.org> · 2011-10-28
Re: [PATCH v2 5/6] slub: Only IPI CPUs that have per cpu obj to flush · Gilad Ben-Yossef <gilad@benyossef.com> · 2011-10-28
[PATCH v2 6/6] slub: only preallocate cpus_with_slabs if offstack · Gilad Ben-Yossef <gilad@benyossef.com> · 2011-10-23
Re: [PATCH v2 6/6] slub: only preallocate cpus_with_slabs if offstack · Christoph Lameter <cl@gentwo.org> · 2011-10-28
Re: [PATCH v2 6/6] slub: only preallocate cpus_with_slabs if offstack · Gilad Ben-Yossef <gilad@benyossef.com> · 2011-10-28
Re: [PATCH v2 6/6] slub: only preallocate cpus_with_slabs if offstack · Christoph Lameter <cl@gentwo.org> · 2011-11-02
Re: [PATCH v2 6/6] slub: only preallocate cpus_with_slabs if offstack · Pekka Enberg <penberg@kernel.org> · 2011-11-06
Re: [PATCH v2 6/6] slub: only preallocate cpus_with_slabs if offstack · Gilad Ben-Yossef <gilad@benyossef.com> · 2011-11-13

From: Christoph Lameter <cl@gentwo.org>
Date: 2011-11-02 08:52:13
Also in: lkml

On Fri, 28 Oct 2011, Gilad Ben-Yossef wrote:

I think if it is up to me, I recommend going the simpler  route that
does the allocation in flush_all using GFP_ATOMIC for
CPUMASK_OFFSTACK=y and sends an IPI to all CPUs if it fails, because
it is simpler code and in the end I believe it is also correct.

I support that. Pekka?

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