powerpc/mm: Copy pgalloc (part 2)

This moves the nohash variant of pgalloc headers to nohash/ directory

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/include/asm/book3s/32/pgalloc.h

@@ -1,5 +1,5 @@
-#ifndef _ASM_POWERPC_PGALLOC_32_H
-#define _ASM_POWERPC_PGALLOC_32_H
+#ifndef _ASM_POWERPC_BOOK3S_32_PGALLOC_H
+#define _ASM_POWERPC_BOOK3S_32_PGALLOC_H
 
 #include <linux/threads.h>
 
@@ -106,4 +106,4 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
 	pgtable_page_dtor(table);
 	pgtable_free_tlb(tlb, page_address(table), 0);
 }
-#endif /* _ASM_POWERPC_PGALLOC_32_H */
+#endif /* _ASM_POWERPC_BOOK3S_32_PGALLOC_H */

arch/powerpc/include/asm/book3s/64/pgalloc.h

@@ -1,5 +1,5 @@
-#ifndef _ASM_POWERPC_PGALLOC_64_H
-#define _ASM_POWERPC_PGALLOC_64_H
+#ifndef _ASM_POWERPC_BOOK3S_64_PGALLOC_H
+#define _ASM_POWERPC_BOOK3S_64_PGALLOC_H
 /*
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -52,8 +52,10 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 }
 
 #ifndef CONFIG_PPC_64K_PAGES
-
-#define pgd_populate(MM, PGD, PUD)	pgd_set(PGD, __pgtable_ptr_val(PUD))
+static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud)
+{
+	pgd_set(pgd, __pgtable_ptr_val(pud));
+}
 
 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
 {
@@ -83,7 +85,10 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
 	pmd_set(pmd, __pgtable_ptr_val(page_address(pte_page)));
 }
 
-#define pmd_pgtable(pmd) pmd_page(pmd)
+static inline pgtable_t pmd_pgtable(pmd_t pmd)
+{
+	return pmd_page(pmd);
+}
 
 static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
 					  unsigned long address)
@@ -263,4 +268,4 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
 
 #define check_pgt_cache()	do { } while (0)
 
-#endif /* _ASM_POWERPC_PGALLOC_64_H */
+#endif /* _ASM_POWERPC_BOOK3S_64_PGALLOC_H */

arch/powerpc/include/asm/book3s/pgalloc.h

@@ -0,0 +1,19 @@
+#ifndef _ASM_POWERPC_BOOK3S_PGALLOC_H
+#define _ASM_POWERPC_BOOK3S_PGALLOC_H
+
+#include <linux/mm.h>
+
+extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
+static inline void tlb_flush_pgtable(struct mmu_gather *tlb,
+				     unsigned long address)
+{
+
+}
+
+#ifdef CONFIG_PPC64
+#include <asm/book3s/64/pgalloc.h>
+#else
+#include <asm/book3s/32/pgalloc.h>
+#endif
+
+#endif /* _ASM_POWERPC_BOOK3S_PGALLOC_H */

arch/powerpc/include/asm/nohash/pgalloc.h

@@ -0,0 +1,23 @@
+#ifndef _ASM_POWERPC_NOHASH_PGALLOC_H
+#define _ASM_POWERPC_NOHASH_PGALLOC_H
+
+#include <linux/mm.h>
+
+extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
+#ifdef CONFIG_PPC64
+extern void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address);
+#else
+/* 44x etc which is BOOKE not BOOK3E */
+static inline void tlb_flush_pgtable(struct mmu_gather *tlb,
+				     unsigned long address)
+{
+
+}
+#endif /* !CONFIG_PPC_BOOK3E */
+
+#ifdef CONFIG_PPC64
+#include <asm/nohash/64/pgalloc.h>
+#else
+#include <asm/nohash/32/pgalloc.h>
+#endif
+#endif /* _ASM_POWERPC_NOHASH_PGALLOC_H */

arch/powerpc/include/asm/pgalloc.h

@@ -1,25 +1,12 @@
 #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 */
-
-extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
-
-#ifdef CONFIG_PPC64
-#include <asm/pgalloc-64.h>
+#ifdef CONFIG_PPC_BOOK3S
+#include <asm/book3s/pgalloc.h>
 #else
-#include <asm/pgalloc-32.h>
+#include <asm/nohash/pgalloc.h>
 #endif
 
-#endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_PGALLOC_H */