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authormerge <null@invalid>2009-02-06 00:22:54 +0000
committerAndy Green <agreen@octopus.localdomain>2009-02-06 00:22:54 +0000
commitd1dcdf5718977c93805f9300b6c79f039db84c8b (patch)
tree58a161db6cf8953e33c1c9294a9c720a1aa0ad76 /arch/m68k/include/asm/motorola_pgalloc.h
parent9029dff1f370018665a6e2999632a34fd0518f4d (diff)
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414-1233879505
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414-1233879505 / 1c405b6ccee468298e7ccbfd9a3a3f4d123207b0 ... parent commitmessage: From: merge <null@invalid> MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414 stable-tracking-hist top was MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414 / 71be0a45396066b1f8f27f8f4f87937247a129e1 ... parent commitmessage: From: merge <null@invalid> MERGE-via-mokopatches-tracking-hist-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011 mokopatches-tracking-hist top was MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011 / 1be1b01373f572a02c6f1f99863c8c11ed2f9f5b ... parent commitmessage: From: merge <null@invalid> MERGE-via-master-MERGE-via-master-hist-1232625318 master top was MERGE-via-master-hist-1232625318 / dd4b117123ae66451695810017eb72fbdfc05df5 ... parent commitmessage: From: merge <null@invalid> MERGE-master-patchset-edits
Diffstat (limited to 'arch/m68k/include/asm/motorola_pgalloc.h')
-rw-r--r--arch/m68k/include/asm/motorola_pgalloc.h109
1 files changed, 109 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/motorola_pgalloc.h b/arch/m68k/include/asm/motorola_pgalloc.h
new file mode 100644
index 00000000000..d08bf6261df
--- /dev/null
+++ b/arch/m68k/include/asm/motorola_pgalloc.h
@@ -0,0 +1,109 @@
+#ifndef _MOTOROLA_PGALLOC_H
+#define _MOTOROLA_PGALLOC_H
+
+#include <asm/tlb.h>
+#include <asm/tlbflush.h>
+
+extern pmd_t *get_pointer_table(void);
+extern int free_pointer_table(pmd_t *);
+
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
+{
+ pte_t *pte;
+
+ pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
+ if (pte) {
+ __flush_page_to_ram(pte);
+ flush_tlb_kernel_page(pte);
+ nocache_page(pte);
+ }
+
+ return pte;
+}
+
+static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
+{
+ cache_page(pte);
+ free_page((unsigned long) pte);
+}
+
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
+{
+ struct page *page = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
+ pte_t *pte;
+
+ if(!page)
+ return NULL;
+
+ pte = kmap(page);
+ if (pte) {
+ __flush_page_to_ram(pte);
+ flush_tlb_kernel_page(pte);
+ nocache_page(pte);
+ }
+ kunmap(pte);
+ pgtable_page_ctor(page);
+ return page;
+}
+
+static inline void pte_free(struct mm_struct *mm, pgtable_t page)
+{
+ pgtable_page_dtor(page);
+ cache_page(kmap(page));
+ kunmap(page);
+ __free_page(page);
+}
+
+static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t page)
+{
+ pgtable_page_dtor(page);
+ cache_page(kmap(page));
+ kunmap(page);
+ __free_page(page);
+}
+
+
+static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
+{
+ return get_pointer_table();
+}
+
+static inline int pmd_free(struct mm_struct *mm, pmd_t *pmd)
+{
+ return free_pointer_table(pmd);
+}
+
+static inline int __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
+{
+ return free_pointer_table(pmd);
+}
+
+
+static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
+{
+ pmd_free(mm, (pmd_t *)pgd);
+}
+
+static inline pgd_t *pgd_alloc(struct mm_struct *mm)
+{
+ return (pgd_t *)get_pointer_table();
+}
+
+
+static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
+{
+ pmd_set(pmd, pte);
+}
+
+static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t page)
+{
+ pmd_set(pmd, page_address(page));
+}
+#define pmd_pgtable(pmd) pmd_page(pmd)
+
+static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd)
+{
+ pgd_set(pgd, pmd);
+}
+
+#endif /* _MOTOROLA_PGALLOC_H */