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Diffstat (limited to 'arch/loongarch/include/asm/page.h')
-rw-r--r--arch/loongarch/include/asm/page.h39
1 files changed, 29 insertions, 10 deletions
diff --git a/arch/loongarch/include/asm/page.h b/arch/loongarch/include/asm/page.h
index 63f137ce8..e85df33f1 100644
--- a/arch/loongarch/include/asm/page.h
+++ b/arch/loongarch/include/asm/page.h
@@ -11,15 +11,7 @@
/*
* PAGE_SHIFT determines the page size
*/
-#ifdef CONFIG_PAGE_SIZE_4KB
-#define PAGE_SHIFT 12
-#endif
-#ifdef CONFIG_PAGE_SIZE_16KB
-#define PAGE_SHIFT 14
-#endif
-#ifdef CONFIG_PAGE_SIZE_64KB
-#define PAGE_SHIFT 16
-#endif
+#define PAGE_SHIFT CONFIG_PAGE_SHIFT
#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE - 1))
@@ -83,7 +75,29 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
#define sym_to_pfn(x) __phys_to_pfn(__pa_symbol(x))
-#define virt_to_pfn(kaddr) PFN_DOWN(PHYSADDR(kaddr))
+struct page *dmw_virt_to_page(unsigned long kaddr);
+struct page *tlb_virt_to_page(unsigned long kaddr);
+
+#define pfn_to_phys(pfn) __pfn_to_phys(pfn)
+#define phys_to_pfn(paddr) __phys_to_pfn(paddr)
+
+#define page_to_phys(page) pfn_to_phys(page_to_pfn(page))
+#define phys_to_page(paddr) pfn_to_page(phys_to_pfn(paddr))
+
+#ifndef CONFIG_KFENCE
+
+#define page_to_virt(page) __va(page_to_phys(page))
+#define virt_to_page(kaddr) phys_to_page(__pa(kaddr))
+
+#else
+
+#define WANT_PAGE_VIRTUAL
+
+#define page_to_virt(page) \
+({ \
+ extern char *__kfence_pool; \
+ (__kfence_pool == NULL) ? __va(page_to_phys(page)) : page_address(page); \
+})
#define virt_to_page(kaddr) \
({ \
@@ -91,6 +105,11 @@ typedef struct { unsigned long pgprot; } pgprot_t;
dmw_virt_to_page((unsigned long)kaddr) : tlb_virt_to_page((unsigned long)kaddr);\
})
+#endif
+
+#define pfn_to_virt(pfn) page_to_virt(pfn_to_page(pfn))
+#define virt_to_pfn(kaddr) page_to_pfn(virt_to_page(kaddr))
+
extern int __virt_addr_valid(volatile void *kaddr);
#define virt_addr_valid(kaddr) __virt_addr_valid((volatile void *)(kaddr))