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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/powerpc/include/asm/pgalloc.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/powerpc/include/asm/pgalloc.h')
-rw-r--r--arch/powerpc/include/asm/pgalloc.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pgalloc.h b/arch/powerpc/include/asm/pgalloc.h
new file mode 100644
index 00000000..bf301ac6
--- /dev/null
+++ b/arch/powerpc/include/asm/pgalloc.h
@@ -0,0 +1,68 @@
+#ifndef _ASM_POWERPC_PGALLOC_H
+#define _ASM_POWERPC_PGALLOC_H
+#ifdef __KERNEL__
+
+#include <linux/mm.h>
+
+#ifdef CONFIG_PPC_BOOK3E
+extern void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address);
+#else /* CONFIG_PPC_BOOK3E */
+static inline void tlb_flush_pgtable(struct mmu_gather *tlb,
+ unsigned long address)
+{
+}
+#endif /* !CONFIG_PPC_BOOK3E */
+
+static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
+{
+ free_page((unsigned long)pte);
+}
+
+static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
+{
+ pgtable_page_dtor(ptepage);
+ __free_page(ptepage);
+}
+
+#ifdef CONFIG_PPC64
+#include <asm/pgalloc-64.h>
+#else
+#include <asm/pgalloc-32.h>
+#endif
+
+#ifdef CONFIG_SMP
+struct mmu_gather;
+extern void tlb_remove_table(struct mmu_gather *, void *);
+
+static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift)
+{
+ unsigned long pgf = (unsigned long)table;
+ BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE);
+ pgf |= shift;
+ tlb_remove_table(tlb, (void *)pgf);
+}
+
+static inline void __tlb_remove_table(void *_table)
+{
+ void *table = (void *)((unsigned long)_table & ~MAX_PGTABLE_INDEX_SIZE);
+ unsigned shift = (unsigned long)_table & MAX_PGTABLE_INDEX_SIZE;
+
+ pgtable_free(table, shift);
+}
+#else /* CONFIG_SMP */
+static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift)
+{
+ pgtable_free(table, shift);
+}
+#endif /* !CONFIG_SMP */
+
+static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *ptepage,
+ unsigned long address)
+{
+ tlb_flush_pgtable(tlb, address);
+ pgtable_page_dtor(ptepage);
+ pgtable_free_tlb(tlb, page_address(ptepage), 0);
+}
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_POWERPC_PGALLOC_H */