+++ /dev/null
-From 9bfbdc69a529208b28202eb9eb05a85653bd0522 Mon Sep 17 00:00:00 2001
-From: Sasha Levin <sashal@kernel.org>
-Date: Thu, 27 Jun 2024 15:55:18 -0400
-Subject: Revert "mm: memblock: replace dereferences of memblock_region.nid
- with API calls"
-
-This reverts commit 43996cf3480ac3c7d16d48003c2ae5a6e7704029.
-
-Signed-off-by: Sasha Levin <sashal@kernel.org>
----
- arch/arm64/mm/numa.c | 9 +++------
- arch/x86/mm/numa.c | 6 ++----
- mm/memblock.c | 8 +++-----
- mm/page_alloc.c | 4 ++--
- 4 files changed, 10 insertions(+), 17 deletions(-)
-
-diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
-index 58c83c2b8748f..53ebb4babf3a7 100644
---- a/arch/arm64/mm/numa.c
-+++ b/arch/arm64/mm/numa.c
-@@ -354,16 +354,13 @@ static int __init numa_register_nodes(void)
- struct memblock_region *mblk;
-
- /* Check that valid nid is set to memblks */
-- for_each_memblock(memory, mblk) {
-- int mblk_nid = memblock_get_region_node(mblk);
--
-- if (mblk_nid == NUMA_NO_NODE || mblk_nid >= MAX_NUMNODES) {
-+ for_each_memblock(memory, mblk)
-+ if (mblk->nid == NUMA_NO_NODE || mblk->nid >= MAX_NUMNODES) {
- pr_warn("Warning: invalid memblk node %d [mem %#010Lx-%#010Lx]\n",
-- mblk_nid, mblk->base,
-+ mblk->nid, mblk->base,
- mblk->base + mblk->size - 1);
- return -EINVAL;
- }
-- }
-
- /* Finally register nodes. */
- for_each_node_mask(nid, numa_nodes_parsed) {
-diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
-index bd52ce954d59a..7316dca7e846a 100644
---- a/arch/x86/mm/numa.c
-+++ b/arch/x86/mm/numa.c
-@@ -502,10 +502,8 @@ static void __init numa_clear_kernel_node_hotplug(void)
- * reserve specific pages for Sandy Bridge graphics. ]
- */
- for_each_memblock(reserved, mb_region) {
-- int nid = memblock_get_region_node(mb_region);
--
-- if (nid != MAX_NUMNODES)
-- node_set(nid, reserved_nodemask);
-+ if (mb_region->nid != MAX_NUMNODES)
-+ node_set(mb_region->nid, reserved_nodemask);
- }
-
- /*
-diff --git a/mm/memblock.c b/mm/memblock.c
-index d2d85d4d16b74..a75cc65f03307 100644
---- a/mm/memblock.c
-+++ b/mm/memblock.c
-@@ -1170,15 +1170,13 @@ void __init_memblock __next_mem_pfn_range(int *idx, int nid,
- {
- struct memblock_type *type = &memblock.memory;
- struct memblock_region *r;
-- int r_nid;
-
- while (++*idx < type->cnt) {
- r = &type->regions[*idx];
-- r_nid = memblock_get_region_node(r);
-
- if (PFN_UP(r->base) >= PFN_DOWN(r->base + r->size))
- continue;
-- if (nid == MAX_NUMNODES || nid == r_nid)
-+ if (nid == MAX_NUMNODES || nid == r->nid)
- break;
- }
- if (*idx >= type->cnt) {
-@@ -1191,7 +1189,7 @@ void __init_memblock __next_mem_pfn_range(int *idx, int nid,
- if (out_end_pfn)
- *out_end_pfn = PFN_DOWN(r->base + r->size);
- if (out_nid)
-- *out_nid = r_nid;
-+ *out_nid = r->nid;
- }
-
- /**
-@@ -1732,7 +1730,7 @@ int __init_memblock memblock_search_pfn_nid(unsigned long pfn,
- *start_pfn = PFN_DOWN(type->regions[mid].base);
- *end_pfn = PFN_DOWN(type->regions[mid].base + type->regions[mid].size);
-
-- return memblock_get_region_node(&type->regions[mid]);
-+ return type->regions[mid].nid;
- }
- #endif
-
-diff --git a/mm/page_alloc.c b/mm/page_alloc.c
-index 4a649111178cc..0ad582945f54d 100644
---- a/mm/page_alloc.c
-+++ b/mm/page_alloc.c
-@@ -7214,7 +7214,7 @@ static void __init find_zone_movable_pfns_for_nodes(void)
- if (!memblock_is_hotpluggable(r))
- continue;
-
-- nid = memblock_get_region_node(r);
-+ nid = r->nid;
-
- usable_startpfn = PFN_DOWN(r->base);
- zone_movable_pfn[nid] = zone_movable_pfn[nid] ?
-@@ -7235,7 +7235,7 @@ static void __init find_zone_movable_pfns_for_nodes(void)
- if (memblock_is_mirror(r))
- continue;
-
-- nid = memblock_get_region_node(r);
-+ nid = r->nid;
-
- usable_startpfn = memblock_region_memory_base_pfn(r);
-
---
-2.43.0
-
+++ /dev/null
-From fb5131b274d7ec27c7a43f07352b26e4b65d499c Mon Sep 17 00:00:00 2001
-From: Sasha Levin <sashal@kernel.org>
-Date: Thu, 27 Jun 2024 15:55:17 -0400
-Subject: Revert "x86/mm/numa: Use NUMA_NO_NODE when calling
- memblock_set_node()"
-
-This reverts commit 7dc2965c852527327d2384b612909df7b7616dfa.
-
-Signed-off-by: Sasha Levin <sashal@kernel.org>
----
- 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 badfa96aac320..bd52ce954d59a 100644
---- a/arch/x86/mm/numa.c
-+++ b/arch/x86/mm/numa.c
-@@ -504,7 +504,7 @@ 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 != NUMA_NO_NODE)
-+ if (nid != MAX_NUMNODES)
- node_set(nid, reserved_nodemask);
- }
-
-@@ -624,9 +624,9 @@ 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,
-- NUMA_NO_NODE));
-+ MAX_NUMNODES));
- WARN_ON(memblock_set_node(0, ULLONG_MAX, &memblock.reserved,
-- NUMA_NO_NODE));
-+ MAX_NUMNODES));
- /* In case that parsing SRAT failed. */
- WARN_ON(memblock_clear_hotplug(0, ULLONG_MAX));
- numa_reset_distance();
---
-2.43.0
-