Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index d1b1ff2..3348e0c 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -27,7 +27,9 @@
 #include <asm/sections.h>
 #include <asm/setup.h>
 #include <asm/cache.h>
+#include <asm/pgalloc.h>
 #include <linux/sizes.h>
+#include "ioremap.h"
 
 pgd_t swapper_pg_dir[PTRS_PER_PGD];
 
@@ -45,6 +47,7 @@
 static pte_t *__get_pte_phys(unsigned long addr)
 {
 	pgd_t *pgd;
+	p4d_t *p4d;
 	pud_t *pud;
 	pmd_t *pmd;
 
@@ -54,7 +57,13 @@
 		return NULL;
 	}
 
-	pud = pud_alloc(NULL, pgd, addr);
+	p4d = p4d_alloc(NULL, pgd, addr);
+	if (unlikely(!p4d)) {
+		p4d_ERROR(*p4d);
+		return NULL;
+	}
+
+	pud = pud_alloc(NULL, p4d, addr);
 	if (unlikely(!pud)) {
 		pud_ERROR(*pud);
 		return NULL;
@@ -172,9 +181,9 @@
 	unsigned long vaddr;
 
 	vaddr = start;
-	i = __pgd_offset(vaddr);
-	j = __pud_offset(vaddr);
-	k = __pmd_offset(vaddr);
+	i = pgd_index(vaddr);
+	j = pud_index(vaddr);
+	k = pmd_index(vaddr);
 	pgd = pgd_base + i;
 
 	for ( ; (i < PTRS_PER_PGD) && (vaddr != end); pgd++, i++) {
@@ -217,15 +226,12 @@
 
 static void __init do_init_bootmem(void)
 {
-	struct memblock_region *reg;
+	unsigned long start_pfn, end_pfn;
+	int i;
 
 	/* Add active regions with valid PFNs. */
-	for_each_memblock(memory, reg) {
-		unsigned long start_pfn, end_pfn;
-		start_pfn = memblock_region_memory_base_pfn(reg);
-		end_pfn = memblock_region_memory_end_pfn(reg);
+	for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, NULL)
 		__add_active_range(0, start_pfn, end_pfn);
-	}
 
 	/* All of system RAM sits in node 0 for the non-NUMA case */
 	allocate_pgdat(0);
@@ -233,12 +239,6 @@
 
 	plat_mem_setup();
 
-	for_each_memblock(memory, reg) {
-		int nid = memblock_get_region_node(reg);
-
-		memory_present(nid, memblock_region_memory_base_pfn(reg),
-			memblock_region_memory_end_pfn(reg));
-	}
 	sparse_init();
 }
 
@@ -334,7 +334,7 @@
 
 	memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
 	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
-	free_area_init_nodes(max_zone_pfns);
+	free_area_init(max_zone_pfns);
 }
 
 unsigned int mem_init_done = 0;
@@ -406,29 +406,23 @@
 
 #ifdef CONFIG_MEMORY_HOTPLUG
 int arch_add_memory(int nid, u64 start, u64 size,
-			struct mhp_restrictions *restrictions)
+		    struct mhp_params *params)
 {
 	unsigned long start_pfn = PFN_DOWN(start);
 	unsigned long nr_pages = size >> PAGE_SHIFT;
 	int ret;
 
+	if (WARN_ON_ONCE(params->pgprot.pgprot != PAGE_KERNEL.pgprot))
+		return -EINVAL;
+
 	/* We only have ZONE_NORMAL, so this is easy.. */
-	ret = __add_pages(nid, start_pfn, nr_pages, restrictions);
+	ret = __add_pages(nid, start_pfn, nr_pages, params);
 	if (unlikely(ret))
 		printk("%s: Failed, __add_pages() == %d\n", __func__, ret);
 
 	return ret;
 }
 
-#ifdef CONFIG_NUMA
-int memory_add_physaddr_to_nid(u64 addr)
-{
-	/* Node 0 for now.. */
-	return 0;
-}
-EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
-#endif
-
 void arch_remove_memory(int nid, u64 start, u64 size,
 			struct vmem_altmap *altmap)
 {