From 9999e48639b3cecb08ffb37358bcba3b48161b29 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 08:50:17 +0000
Subject: [PATCH] add ax88772_rst
---
kernel/arch/mips/include/asm/pgalloc.h | 71 ++++++++++-------------------------
1 files changed, 20 insertions(+), 51 deletions(-)
diff --git a/kernel/arch/mips/include/asm/pgalloc.h b/kernel/arch/mips/include/asm/pgalloc.h
index 39b9f31..71153c3 100644
--- a/kernel/arch/mips/include/asm/pgalloc.h
+++ b/kernel/arch/mips/include/asm/pgalloc.h
@@ -13,6 +13,11 @@
#include <linux/mm.h>
#include <linux/sched.h>
+#define __HAVE_ARCH_PMD_ALLOC_ONE
+#define __HAVE_ARCH_PUD_ALLOC_ONE
+#define __HAVE_ARCH_PGD_FREE
+#include <asm-generic/pgalloc.h>
+
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
pte_t *pte)
{
@@ -50,42 +55,9 @@
free_pages((unsigned long)pgd, PGD_ORDER);
}
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
- unsigned long address)
-{
- return (pte_t *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, PTE_ORDER);
-}
-
-static inline struct page *pte_alloc_one(struct mm_struct *mm,
- unsigned long address)
-{
- struct page *pte;
-
- pte = alloc_pages(GFP_KERNEL, PTE_ORDER);
- if (!pte)
- return NULL;
- clear_highpage(pte);
- if (!pgtable_page_ctor(pte)) {
- __free_page(pte);
- return NULL;
- }
- return pte;
-}
-
-static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
-{
- free_pages((unsigned long)pte, PTE_ORDER);
-}
-
-static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
-{
- pgtable_page_dtor(pte);
- __free_pages(pte, PTE_ORDER);
-}
-
#define __pte_free_tlb(tlb,pte,address) \
do { \
- pgtable_page_dtor(pte); \
+ pgtable_pte_page_dtor(pte); \
tlb_remove_page((tlb), pte); \
} while (0)
@@ -94,16 +66,20 @@
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
{
pmd_t *pmd;
+ struct page *pg;
- pmd = (pmd_t *) __get_free_pages(GFP_KERNEL, PMD_ORDER);
- if (pmd)
- pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table);
+ pg = alloc_pages(GFP_KERNEL_ACCOUNT, PMD_ORDER);
+ if (!pg)
+ return NULL;
+
+ if (!pgtable_pmd_page_ctor(pg)) {
+ __free_pages(pg, PMD_ORDER);
+ return NULL;
+ }
+
+ pmd = (pmd_t *)page_address(pg);
+ pmd_init((unsigned long)pmd, (unsigned long)invalid_pte_table);
return pmd;
-}
-
-static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
-{
- free_pages((unsigned long)pmd, PMD_ORDER);
}
#define __pmd_free_tlb(tlb, x, addr) pmd_free((tlb)->mm, x)
@@ -122,21 +98,14 @@
return pud;
}
-static inline void pud_free(struct mm_struct *mm, pud_t *pud)
+static inline void p4d_populate(struct mm_struct *mm, p4d_t *p4d, pud_t *pud)
{
- free_pages((unsigned long)pud, PUD_ORDER);
-}
-
-static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud)
-{
- set_pgd(pgd, __pgd((unsigned long)pud));
+ set_p4d(p4d, __p4d((unsigned long)pud));
}
#define __pud_free_tlb(tlb, x, addr) pud_free((tlb)->mm, x)
#endif /* __PAGETABLE_PUD_FOLDED */
-
-#define check_pgt_cache() do { } while (0)
extern void pagetable_init(void);
--
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