Re: [PATCH 14/15] x86/numa: remove redundant iteration over memblock.reserved
From: Mike Rapoport
Date: Tue Jul 28 2020 - 06:56:21 EST
On Tue, Jul 28, 2020 at 12:44:40PM +0200, Ingo Molnar wrote:
> * Mike Rapoport <rppt@xxxxxxxxxx> wrote:
> > From: Mike Rapoport <rppt@xxxxxxxxxxxxx>
> > numa_clear_kernel_node_hotplug() function first traverses numa_meminfo
> > regions to set node ID in memblock.reserved and than traverses
> > memblock.reserved to update reserved_nodemask to include node IDs that were
> > set in the first loop.
> > Remove redundant traversal over memblock.reserved and update
> > reserved_nodemask while iterating over numa_meminfo.
> > Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
> > ---
> > arch/x86/mm/numa.c | 26 ++++++++++----------------
> > 1 file changed, 10 insertions(+), 16 deletions(-)
> I suspect you'd like to carry this in the -mm tree?
> Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>