[PATCH 14/15] x86/numa: remove redundant iteration over memblock.reserved

Ingo Molnar mingo at kernel.org
Tue Jul 28 06:44:40 EDT 2020

* Mike Rapoport <rppt at kernel.org> wrote:

> From: Mike Rapoport <rppt at linux.ibm.com>
> 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 at linux.ibm.com>
> ---
>  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 at kernel.org>



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