From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode

---
 kernel/arch/ia64/include/asm/pgalloc.h |   71 ++---------------------------------
 1 files changed, 5 insertions(+), 66 deletions(-)

diff --git a/kernel/arch/ia64/include/asm/pgalloc.h b/kernel/arch/ia64/include/asm/pgalloc.h
index 3ee5362..9601cfe 100644
--- a/kernel/arch/ia64/include/asm/pgalloc.h
+++ b/kernel/arch/ia64/include/asm/pgalloc.h
@@ -19,36 +19,23 @@
 #include <linux/mm.h>
 #include <linux/page-flags.h>
 #include <linux/threads.h>
-#include <linux/quicklist.h>
+
+#include <asm-generic/pgalloc.h>
 
 #include <asm/mmu_context.h>
 
 static inline pgd_t *pgd_alloc(struct mm_struct *mm)
 {
-	return quicklist_alloc(0, GFP_KERNEL, NULL);
-}
-
-static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
-{
-	quicklist_free(0, NULL, pgd);
+	return (pgd_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
 }
 
 #if CONFIG_PGTABLE_LEVELS == 4
 static inline void
-pgd_populate(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud)
+p4d_populate(struct mm_struct *mm, p4d_t * p4d_entry, pud_t * pud)
 {
-	pgd_val(*pgd_entry) = __pa(pud);
+	p4d_val(*p4d_entry) = __pa(pud);
 }
 
-static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
-{
-	return quicklist_alloc(0, GFP_KERNEL, NULL);
-}
-
-static inline void pud_free(struct mm_struct *mm, pud_t *pud)
-{
-	quicklist_free(0, NULL, pud);
-}
 #define __pud_free_tlb(tlb, pud, address)	pud_free((tlb)->mm, pud)
 #endif /* CONFIG_PGTABLE_LEVELS == 4 */
 
@@ -56,16 +43,6 @@
 pud_populate(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd)
 {
 	pud_val(*pud_entry) = __pa(pmd);
-}
-
-static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
-{
-	return quicklist_alloc(0, GFP_KERNEL, NULL);
-}
-
-static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
-{
-	quicklist_free(0, NULL, pmd);
 }
 
 #define __pmd_free_tlb(tlb, pmd, address)	pmd_free((tlb)->mm, pmd)
@@ -81,44 +58,6 @@
 pmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte)
 {
 	pmd_val(*pmd_entry) = __pa(pte);
-}
-
-static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr)
-{
-	struct page *page;
-	void *pg;
-
-	pg = quicklist_alloc(0, GFP_KERNEL, NULL);
-	if (!pg)
-		return NULL;
-	page = virt_to_page(pg);
-	if (!pgtable_page_ctor(page)) {
-		quicklist_free(0, NULL, pg);
-		return NULL;
-	}
-	return page;
-}
-
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-					  unsigned long addr)
-{
-	return quicklist_alloc(0, GFP_KERNEL, NULL);
-}
-
-static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
-{
-	pgtable_page_dtor(pte);
-	quicklist_free_page(0, NULL, pte);
-}
-
-static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
-{
-	quicklist_free(0, NULL, pte);
-}
-
-static inline void check_pgt_cache(void)
-{
-	quicklist_trim(0, NULL, 25, 16);
 }
 
 #define __pte_free_tlb(tlb, pte, address)	pte_free((tlb)->mm, pte)

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