x86: convert pgalloc_64.h from macros to inlines

Convert asm-x86/pgalloc_64.h from macros into functions (#include hell
prevents __*_free_tlb from being inline, but they're probably a bit
big to inline anyway).

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/x86/mm/init_64.c

@@ -662,6 +662,22 @@ int memory_add_physaddr_to_nid(u64 start)
 EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
 #endif
 
+void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte)
+{
+	pgtable_page_dtor(pte);
+	tlb_remove_page(tlb, pte);
+}
+
+void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
+{
+	tlb_remove_page(tlb, virt_to_page(pmd));
+}
+
+void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud)
+{
+	tlb_remove_page(tlb, virt_to_page(pud));
+}
+
 #endif /* CONFIG_MEMORY_HOTPLUG */
 
 static struct kcore_list kcore_mem, kcore_vmalloc, kcore_kernel,

include/asm-x86/pgalloc_64.h

@@ -1,16 +1,24 @@
 #ifndef _X86_64_PGALLOC_H
 #define _X86_64_PGALLOC_H
 
-#include <asm/pda.h>
 #include <linux/threads.h>
 #include <linux/mm.h>
+#include <asm/pda.h>
 
-#define pmd_populate_kernel(mm, pmd, pte) \
-		set_pmd(pmd, __pmd(_PAGE_TABLE | __pa(pte)))
-#define pud_populate(mm, pud, pmd) \
-		set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd)))
-#define pgd_populate(mm, pgd, pud) \
-		set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud)))
+static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
+{
+	set_pmd(pmd, __pmd(_PAGE_TABLE | __pa(pte)));
+}
+
+static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
+{
+	set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd)));
+}
+
+static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud)
+{
+	set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud)));
+}
 
 #define pmd_pgtable(pmd) pmd_page(pmd)
 
@@ -121,13 +129,8 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
 	__free_page(pte);
 } 
 
-#define __pte_free_tlb(tlb,pte)				\
-do {							\
-	pgtable_page_dtor((pte));				\
-	tlb_remove_page((tlb), (pte));			\
-} while (0)
-
-#define __pmd_free_tlb(tlb,x)   tlb_remove_page((tlb),virt_to_page(x))
-#define __pud_free_tlb(tlb,x)   tlb_remove_page((tlb),virt_to_page(x))
+extern void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte);
+extern void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd);
+extern void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud);
 
 #endif /* _X86_64_PGALLOC_H */