From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/arch/powerpc/mm/book3s64/radix_pgtable.c | 44 +++++++++++++++++++++++++++-----------------
1 files changed, 27 insertions(+), 17 deletions(-)
diff --git a/kernel/arch/powerpc/mm/book3s64/radix_pgtable.c b/kernel/arch/powerpc/mm/book3s64/radix_pgtable.c
index ae4ba6a..3728c17 100644
--- a/kernel/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/kernel/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -783,9 +783,9 @@
}
static void remove_pte_table(pte_t *pte_start, unsigned long addr,
- unsigned long end)
+ unsigned long end, bool direct)
{
- unsigned long next;
+ unsigned long next, pages = 0;
pte_t *pte;
pte = pte_start + pte_index(addr);
@@ -807,13 +807,16 @@
}
pte_clear(&init_mm, addr, pte);
+ pages++;
}
+ if (direct)
+ update_page_count(mmu_virtual_psize, -pages);
}
static void __meminit remove_pmd_table(pmd_t *pmd_start, unsigned long addr,
- unsigned long end)
+ unsigned long end, bool direct)
{
- unsigned long next;
+ unsigned long next, pages = 0;
pte_t *pte_base;
pmd_t *pmd;
@@ -831,19 +834,22 @@
continue;
}
pte_clear(&init_mm, addr, (pte_t *)pmd);
+ pages++;
continue;
}
pte_base = (pte_t *)pmd_page_vaddr(*pmd);
- remove_pte_table(pte_base, addr, next);
+ remove_pte_table(pte_base, addr, next, direct);
free_pte_table(pte_base, pmd);
}
+ if (direct)
+ update_page_count(MMU_PAGE_2M, -pages);
}
static void __meminit remove_pud_table(pud_t *pud_start, unsigned long addr,
- unsigned long end)
+ unsigned long end, bool direct)
{
- unsigned long next;
+ unsigned long next, pages = 0;
pmd_t *pmd_base;
pud_t *pud;
@@ -861,16 +867,20 @@
continue;
}
pte_clear(&init_mm, addr, (pte_t *)pud);
+ pages++;
continue;
}
- pmd_base = (pmd_t *)pud_page_vaddr(*pud);
- remove_pmd_table(pmd_base, addr, next);
+ pmd_base = pud_pgtable(*pud);
+ remove_pmd_table(pmd_base, addr, next, direct);
free_pmd_table(pmd_base, pud);
}
+ if (direct)
+ update_page_count(MMU_PAGE_1G, -pages);
}
-static void __meminit remove_pagetable(unsigned long start, unsigned long end)
+static void __meminit remove_pagetable(unsigned long start, unsigned long end,
+ bool direct)
{
unsigned long addr, next;
pud_t *pud_base;
@@ -898,8 +908,8 @@
continue;
}
- pud_base = (pud_t *)p4d_page_vaddr(*p4d);
- remove_pud_table(pud_base, addr, next);
+ pud_base = p4d_pgtable(*p4d);
+ remove_pud_table(pud_base, addr, next, direct);
free_pud_table(pud_base, p4d);
}
@@ -922,7 +932,7 @@
int __meminit radix__remove_section_mapping(unsigned long start, unsigned long end)
{
- remove_pagetable(start, end);
+ remove_pagetable(start, end, true);
return 0;
}
#endif /* CONFIG_MEMORY_HOTPLUG */
@@ -958,7 +968,7 @@
#ifdef CONFIG_MEMORY_HOTPLUG
void __meminit radix__vmemmap_remove_mapping(unsigned long start, unsigned long page_size)
{
- remove_pagetable(start, start + page_size);
+ remove_pagetable(start, start + page_size, false);
}
#endif
#endif
@@ -1064,8 +1074,8 @@
pte_t entry, unsigned long address, int psize)
{
struct mm_struct *mm = vma->vm_mm;
- unsigned long set = pte_val(entry) & (_PAGE_DIRTY | _PAGE_ACCESSED |
- _PAGE_RW | _PAGE_EXEC);
+ unsigned long set = pte_val(entry) & (_PAGE_DIRTY | _PAGE_SOFT_DIRTY |
+ _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC);
unsigned long change = pte_val(entry) ^ pte_val(*ptep);
/*
@@ -1156,7 +1166,7 @@
pmd_t *pmd;
int i;
- pmd = (pmd_t *)pud_page_vaddr(*pud);
+ pmd = pud_pgtable(*pud);
pud_clear(pud);
flush_tlb_kernel_range(addr, addr + PUD_SIZE);
--
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