Patch "x86/mm/numa: Use NUMA_NO_NODE when calling memblock_set_node()" has been added to the 4.19-stable tree

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This is a note to let you know that I've just added the patch titled

    x86/mm/numa: Use NUMA_NO_NODE when calling memblock_set_node()

to the 4.19-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     x86-mm-numa-use-numa_no_node-when-calling-memblock_s.patch
and it can be found in the queue-4.19 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit d6322292e8cd794c12927256eb1390d2415370ae
Author: Jan Beulich <jbeulich@xxxxxxxx>
Date:   Wed May 29 09:42:05 2024 +0200

    x86/mm/numa: Use NUMA_NO_NODE when calling memblock_set_node()
    
    [ 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.
    
    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>

diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 411ded8664a9e..b018eac5e4191 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -508,7 +508,7 @@ static void __init numa_clear_kernel_node_hotplug(void)
 	for_each_memblock(reserved, mb_region) {
 		int nid = memblock_get_region_node(mb_region);
 
-		if (nid != MAX_NUMNODES)
+		if (nid != NUMA_NO_NODE)
 			node_set(nid, reserved_nodemask);
 	}
 
@@ -628,9 +628,9 @@ 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();




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