rtl88x2CE_WiFi_linux add concurrent mode

hc

2024-09-20 cf4ce59b3b70238352c7f1729f0f7223214828ad

 kernel/arch/mips/mm/pgtable-32.c
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@@ -7,11 +7,11 @@
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  */
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 #include <linux/init.h>
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 #include <linux/mm.h>
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-#include <linux/bootmem.h>
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+#include <linux/memblock.h>
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 #include <linux/highmem.h>
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 #include <asm/fixmap.h>
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-#include <asm/pgtable.h>
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 #include <asm/pgalloc.h>
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+#include <asm/tlbflush.h>
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 void pgd_init(unsigned long page)
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 {
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@@ -30,12 +30,32 @@
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 	}
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 }
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+#if defined(CONFIG_TRANSPARENT_HUGEPAGE)
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+pmd_t mk_pmd(struct page *page, pgprot_t prot)
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+{
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+	pmd_t pmd;
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+
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+	pmd_val(pmd) = (page_to_pfn(page) << _PFN_SHIFT) | pgprot_val(prot);
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+
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+	return pmd;
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+}
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+
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+
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+void set_pmd_at(struct mm_struct *mm, unsigned long addr,
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+		pmd_t *pmdp, pmd_t pmd)
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+{
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+	*pmdp = pmd;
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+	flush_tlb_all();
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+}
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+#endif /* defined(CONFIG_TRANSPARENT_HUGEPAGE) */
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+
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 void __init pagetable_init(void)
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 {
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 	unsigned long vaddr;
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 	pgd_t *pgd_base;
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 #ifdef CONFIG_HIGHMEM
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 	pgd_t *pgd;
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+	p4d_t *p4d;
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 	pud_t *pud;
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 	pmd_t *pmd;
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 	pte_t *pte;
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@@ -61,8 +81,9 @@
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 	vaddr = PKMAP_BASE;
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 	fixrange_init(vaddr & PMD_MASK, vaddr + PAGE_SIZE*LAST_PKMAP, pgd_base);
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-	pgd = swapper_pg_dir + __pgd_offset(vaddr);
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-	pud = pud_offset(pgd, vaddr);
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+	pgd = swapper_pg_dir + pgd_index(vaddr);
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+	p4d = p4d_offset(pgd, vaddr);
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+	pud = pud_offset(p4d, vaddr);
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 	pmd = pmd_offset(pud, vaddr);
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 	pte = pte_offset_kernel(pmd, vaddr);
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 	pkmap_page_table = pte;