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-rw-r--r--arch/sh/mm/Kconfig4
-rw-r--r--arch/sh/mm/cache-sh4.c7
-rw-r--r--arch/sh/mm/cache-shx3.c1
-rw-r--r--arch/sh/mm/cache.c16
-rw-r--r--arch/sh/mm/hugetlbpage.c10
-rw-r--r--arch/sh/mm/init.c55
-rw-r--r--arch/sh/mm/ioremap.c3
-rw-r--r--arch/sh/mm/mmap.c10
-rw-r--r--arch/sh/mm/nommu.c2
-rw-r--r--arch/sh/mm/numa.c3
-rw-r--r--arch/sh/mm/pgtable.c4
-rw-r--r--arch/sh/mm/tlbex_32.c1
12 files changed, 20 insertions, 96 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index f32a1963ff0c..1862411665ab 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -144,10 +144,6 @@ config ARCH_SPARSEMEM_DEFAULT
config ARCH_SELECT_MEMORY_MODEL
def_bool y
-config ARCH_MEMORY_PROBE
- def_bool y
- depends on MEMORY_HOTPLUG
-
config IOREMAP_FIXED
def_bool y
depends on X2TLB
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 862046f26981..46393b00137e 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -241,13 +241,14 @@ static void sh4_flush_cache_page(void *args)
if ((vma->vm_mm == current->active_mm))
vaddr = NULL;
else {
+ struct folio *folio = page_folio(page);
/*
* Use kmap_coherent or kmap_atomic to do flushes for
* another ASID than the current one.
*/
map_coherent = (current_cpu_data.dcache.n_aliases &&
- test_bit(PG_dcache_clean, &page->flags) &&
- page_mapcount(page));
+ test_bit(PG_dcache_clean, folio_flags(folio, 0)) &&
+ page_mapped(page));
if (map_coherent)
vaddr = kmap_coherent(page, address);
else
@@ -376,8 +377,6 @@ static void __flush_cache_one(unsigned long addr, unsigned long phys,
} while (--way_count != 0);
}
-extern void __weak sh4__flush_region_init(void);
-
/*
* SH-4 has virtually indexed and physically tagged cache.
*/
diff --git a/arch/sh/mm/cache-shx3.c b/arch/sh/mm/cache-shx3.c
index 24c58b7dc022..dec039a75664 100644
--- a/arch/sh/mm/cache-shx3.c
+++ b/arch/sh/mm/cache-shx3.c
@@ -11,6 +11,7 @@
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/cache.h>
+#include <asm/cacheflush.h>
#define CCR_CACHE_SNM 0x40000 /* Hardware-assisted synonym avoidance */
#define CCR_CACHE_IBE 0x1000000 /* ICBI broadcast */
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index 9bcaa5619eab..6ebdeaff3021 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -84,7 +84,7 @@ void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
{
struct folio *folio = page_folio(page);
- if (boot_cpu_data.dcache.n_aliases && page_mapcount(page) &&
+ if (boot_cpu_data.dcache.n_aliases && folio_mapped(folio) &&
test_bit(PG_dcache_clean, &folio->flags)) {
void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
memcpy(dst, vfrom, len);
@@ -320,30 +320,20 @@ void __init cpu_cache_init(void)
goto skip;
if (boot_cpu_data.type == CPU_J2) {
- extern void __weak j2_cache_init(void);
-
j2_cache_init();
} else if (boot_cpu_data.family == CPU_FAMILY_SH2) {
- extern void __weak sh2_cache_init(void);
-
sh2_cache_init();
}
if (boot_cpu_data.family == CPU_FAMILY_SH2A) {
- extern void __weak sh2a_cache_init(void);
-
sh2a_cache_init();
}
if (boot_cpu_data.family == CPU_FAMILY_SH3) {
- extern void __weak sh3_cache_init(void);
-
sh3_cache_init();
if ((boot_cpu_data.type == CPU_SH7705) &&
(boot_cpu_data.dcache.sets == 512)) {
- extern void __weak sh7705_cache_init(void);
-
sh7705_cache_init();
}
}
@@ -351,14 +341,10 @@ void __init cpu_cache_init(void)
if ((boot_cpu_data.family == CPU_FAMILY_SH4) ||
(boot_cpu_data.family == CPU_FAMILY_SH4A) ||
(boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) {
- extern void __weak sh4_cache_init(void);
-
sh4_cache_init();
if ((boot_cpu_data.type == CPU_SH7786) ||
(boot_cpu_data.type == CPU_SHX3)) {
- extern void __weak shx3_cache_init(void);
-
shx3_cache_init();
}
}
diff --git a/arch/sh/mm/hugetlbpage.c b/arch/sh/mm/hugetlbpage.c
index 6cb0ad73dbb9..ff209b55285a 100644
--- a/arch/sh/mm/hugetlbpage.c
+++ b/arch/sh/mm/hugetlbpage.c
@@ -70,13 +70,3 @@ pte_t *huge_pte_offset(struct mm_struct *mm,
return pte;
}
-
-int pmd_huge(pmd_t pmd)
-{
- return 0;
-}
-
-int pud_huge(pud_t pud)
-{
- return 0;
-}
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index bf1b54055316..99e302eeeec1 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -137,10 +137,7 @@ static pmd_t * __init one_md_table_init(pud_t *pud)
if (pud_none(*pud)) {
pmd_t *pmd;
- pmd = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
- if (!pmd)
- panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
- __func__, PAGE_SIZE, PAGE_SIZE);
+ pmd = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE);
pud_populate(&init_mm, pud, pmd);
BUG_ON(pmd != pmd_offset(pud, 0));
}
@@ -153,10 +150,7 @@ static pte_t * __init one_page_table_init(pmd_t *pmd)
if (pmd_none(*pmd)) {
pte_t *pte;
- pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
- if (!pte)
- panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
- __func__, PAGE_SIZE, PAGE_SIZE);
+ pte = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE);
pmd_populate_kernel(&init_mm, pmd, pte);
BUG_ON(pte != pte_offset_kernel(pmd, 0));
}
@@ -212,12 +206,7 @@ void __init allocate_pgdat(unsigned int nid)
get_pfn_range_for_nid(nid, &start_pfn, &end_pfn);
#ifdef CONFIG_NUMA
- NODE_DATA(nid) = memblock_alloc_try_nid(
- sizeof(struct pglist_data),
- SMP_CACHE_BYTES, MEMBLOCK_LOW_LIMIT,
- MEMBLOCK_ALLOC_ACCESSIBLE, nid);
- if (!NODE_DATA(nid))
- panic("Can't allocate pgdat for node %d\n", nid);
+ alloc_node_data(nid);
#endif
NODE_DATA(nid)->node_start_pfn = start_pfn;
@@ -301,7 +290,6 @@ void __init paging_init(void)
*/
max_low_pfn = max_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT;
min_low_pfn = __MEMORY_START >> PAGE_SHIFT;
- set_max_mapnr(max_low_pfn - min_low_pfn);
nodes_clear(node_online_map);
@@ -342,15 +330,6 @@ unsigned int mem_init_done = 0;
void __init mem_init(void)
{
- pg_data_t *pgdat;
-
- high_memory = NULL;
- for_each_online_pgdat(pgdat)
- high_memory = max_t(void *, high_memory,
- __va(pgdat_end_pfn(pgdat) << PAGE_SHIFT));
-
- memblock_free_all();
-
/* Set this up early, so we can take care of the zero page */
cpu_cache_init();
@@ -395,31 +374,3 @@ void __init mem_init(void)
mem_init_done = 1;
}
-
-#ifdef CONFIG_MEMORY_HOTPLUG
-int arch_add_memory(int nid, u64 start, u64 size,
- 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, params);
- if (unlikely(ret))
- printk("%s: Failed, __add_pages() == %d\n", __func__, ret);
-
- return ret;
-}
-
-void arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap)
-{
- unsigned long start_pfn = PFN_DOWN(start);
- unsigned long nr_pages = size >> PAGE_SHIFT;
-
- __remove_pages(start_pfn, nr_pages, altmap);
-}
-#endif /* CONFIG_MEMORY_HOTPLUG */
diff --git a/arch/sh/mm/ioremap.c b/arch/sh/mm/ioremap.c
index 33d20f34560f..5bbde53fb32d 100644
--- a/arch/sh/mm/ioremap.c
+++ b/arch/sh/mm/ioremap.c
@@ -73,10 +73,9 @@ __ioremap_29bit(phys_addr_t offset, unsigned long size, pgprot_t prot)
#endif /* CONFIG_29BIT */
void __iomem __ref *ioremap_prot(phys_addr_t phys_addr, size_t size,
- unsigned long prot)
+ pgprot_t pgprot)
{
void __iomem *mapped;
- pgprot_t pgprot = __pgprot(prot);
mapped = __ioremap_trapped(phys_addr, size);
if (mapped)
diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c
index b82199878b45..c442734d9b0c 100644
--- a/arch/sh/mm/mmap.c
+++ b/arch/sh/mm/mmap.c
@@ -52,12 +52,13 @@ static inline unsigned long COLOUR_ALIGN(unsigned long addr,
}
unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
- unsigned long len, unsigned long pgoff, unsigned long flags)
+ unsigned long len, unsigned long pgoff, unsigned long flags,
+ vm_flags_t vm_flags)
{
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma;
int do_colour_align;
- struct vm_unmapped_area_info info;
+ struct vm_unmapped_area_info info = {};
if (flags & MAP_FIXED) {
/* We do not accept a shared mapping if it would violate
@@ -88,7 +89,6 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
return addr;
}
- info.flags = 0;
info.length = len;
info.low_limit = TASK_UNMAPPED_BASE;
info.high_limit = TASK_SIZE;
@@ -100,13 +100,13 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
unsigned long
arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
const unsigned long len, const unsigned long pgoff,
- const unsigned long flags)
+ const unsigned long flags, vm_flags_t vm_flags)
{
struct vm_area_struct *vma;
struct mm_struct *mm = current->mm;
unsigned long addr = addr0;
int do_colour_align;
- struct vm_unmapped_area_info info;
+ struct vm_unmapped_area_info info = {};
if (flags & MAP_FIXED) {
/* We do not accept a shared mapping if it would violate
diff --git a/arch/sh/mm/nommu.c b/arch/sh/mm/nommu.c
index 78c4b6e6d33b..fa3dc9428a73 100644
--- a/arch/sh/mm/nommu.c
+++ b/arch/sh/mm/nommu.c
@@ -10,6 +10,8 @@
#include <linux/init.h>
#include <linux/string.h>
#include <linux/mm.h>
+
+#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
#include <asm/page.h>
#include <linux/uaccess.h>
diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c
index 50f0dc1744d0..9bc212b5e762 100644
--- a/arch/sh/mm/numa.c
+++ b/arch/sh/mm/numa.c
@@ -14,9 +14,6 @@
#include <linux/pfn.h>
#include <asm/sections.h>
-struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
-EXPORT_SYMBOL_GPL(node_data);
-
/*
* On SH machines the conventional approach is to stash system RAM
* in node 0, and other memory blocks in to node 1 and up, ordered by
diff --git a/arch/sh/mm/pgtable.c b/arch/sh/mm/pgtable.c
index cf7ce4b57359..3a4085ea0161 100644
--- a/arch/sh/mm/pgtable.c
+++ b/arch/sh/mm/pgtable.c
@@ -2,12 +2,14 @@
#include <linux/mm.h>
#include <linux/slab.h>
+#include <asm/pgalloc.h>
+
static struct kmem_cache *pgd_cachep;
#if PAGETABLE_LEVELS > 2
static struct kmem_cache *pmd_cachep;
#endif
-void pgd_ctor(void *x)
+static void pgd_ctor(void *x)
{
pgd_t *pgd = x;
diff --git a/arch/sh/mm/tlbex_32.c b/arch/sh/mm/tlbex_32.c
index 1c53868632ee..7d58578c15f4 100644
--- a/arch/sh/mm/tlbex_32.c
+++ b/arch/sh/mm/tlbex_32.c
@@ -14,6 +14,7 @@
#include <linux/kdebug.h>
#include <asm/mmu_context.h>
#include <asm/thread_info.h>
+#include <asm/tlb.h>
/*
* Called with interrupts disabled.
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.