On Wed, Jul 03, 2024 at 12:39:51PM +0200, Greg Kroah-Hartman wrote:
> 5.15-stable review patch. If anyone has any objections, please let me know.
>
> ------------------
>
> From: Jan Beulich <jbeulich@xxxxxxxx>
>
> [ Upstream commit 3ac36aa7307363b7247ccb6f6a804e11496b2b36 ]
>
> memblock_set_node() warns about using MAX_NUMNODES, see
>
> e0eec24e2e19 ("memblock: make memblock_set_node() also warn about use of MAX_NUMNODES")
>
> for details.
This commit was a fix for e0eec24e2e19, it's not needed for kernels before 6.8.
> Reported-by: Narasimhan V <Narasimhan.V@xxxxxxx>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> [bp: commit message]
> Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>
> Reviewed-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
> Tested-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
> Link: https://lore.kernel.org/r/20240603141005.23261-1-bp@xxxxxxxxxx
> Link: https://lore.kernel.org/r/abadb736-a239-49e4-ab42-ace7acdd4278@xxxxxxxx
> Signed-off-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> ---
> arch/x86/mm/numa.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
> index 1a1c0c242f272..d074a1b4f976c 100644
> --- a/arch/x86/mm/numa.c
> +++ b/arch/x86/mm/numa.c
> @@ -522,7 +522,7 @@ static void __init numa_clear_kernel_node_hotplug(void)
> for_each_reserved_mem_region(mb_region) {
> int nid = memblock_get_region_node(mb_region);
>
> - if (nid != MAX_NUMNODES)
> + if (nid != NUMA_NO_NODE)
> node_set(nid, reserved_nodemask);
> }
>
> @@ -642,9 +642,9 @@ static int __init numa_init(int (*init_func)(void))
> nodes_clear(node_online_map);
> memset(&numa_meminfo, 0, sizeof(numa_meminfo));
> WARN_ON(memblock_set_node(0, ULLONG_MAX, &memblock.memory,
> - MAX_NUMNODES));
> + NUMA_NO_NODE));
> WARN_ON(memblock_set_node(0, ULLONG_MAX, &memblock.reserved,
> - MAX_NUMNODES));
> + NUMA_NO_NODE));
> /* In case that parsing SRAT failed. */
> WARN_ON(memblock_clear_hotplug(0, ULLONG_MAX));
> numa_reset_distance();
> --
> 2.43.0
>
>
>
--
Sincerely yours,
Mike.
