powerpc/mm: Rename function to indicate we are allocating fragments

Only code cleanup. No functionality change.

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

diff --git a/arch/powerpc/include/asm/book3s/64/pgalloc.h b/arch/powerpc/include/asm/book3s/64/pgalloc.h
index 2a24624..37283e3 100644 (file)
--- a/arch/powerpc/include/asm/book3s/64/pgalloc.h
+++ b/arch/powerpc/include/asm/book3s/64/pgalloc.h
@@ -174,8 +174,8 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
 
 #else /* if CONFIG_PPC_64K_PAGES */
 
-extern pte_t *page_table_alloc(struct mm_struct *, unsigned long, int);
-extern void page_table_free(struct mm_struct *, unsigned long *, int);
+extern pte_t *pte_fragment_alloc(struct mm_struct *, unsigned long, int);
+extern void pte_fragment_free(unsigned long *, int);
 extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift);
 #ifdef CONFIG_SMP
 extern void __tlb_remove_table(void *_table);
@@ -195,23 +195,23 @@ static inline pgtable_t pmd_pgtable(pmd_t pmd)
 static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
                                          unsigned long address)
 {
-       return (pte_t *)page_table_alloc(mm, address, 1);
+       return (pte_t *)pte_fragment_alloc(mm, address, 1);
 }
 
 static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
                                        unsigned long address)
 {
-       return (pgtable_t)page_table_alloc(mm, address, 0);
+       return (pgtable_t)pte_fragment_alloc(mm, address, 0);
 }
 
 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 {
-       page_table_free(mm, (unsigned long *)pte, 1);
+       pte_fragment_free((unsigned long *)pte, 1);
 }
 
 static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
 {
-       page_table_free(mm, (unsigned long *)ptepage, 0);
+       pte_fragment_free((unsigned long *)ptepage, 0);
 }
 
 static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,

diff --git a/arch/powerpc/include/asm/nohash/64/pgalloc.h b/arch/powerpc/include/asm/nohash/64/pgalloc.h
index 69ef28a..be0cce7 100644 (file)
--- a/arch/powerpc/include/asm/nohash/64/pgalloc.h
+++ b/arch/powerpc/include/asm/nohash/64/pgalloc.h
@@ -164,8 +164,8 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
 
 #else /* if CONFIG_PPC_64K_PAGES */
 
-extern pte_t *page_table_alloc(struct mm_struct *, unsigned long, int);
-extern void page_table_free(struct mm_struct *, unsigned long *, int);
+extern pte_t *pte_fragment_alloc(struct mm_struct *, unsigned long, int);
+extern void pte_fragment_free(unsigned long *, int);
 extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift);
 #ifdef CONFIG_SMP
 extern void __tlb_remove_table(void *_table);
@@ -193,23 +193,23 @@ static inline pgtable_t pmd_pgtable(pmd_t pmd)
 static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
                                          unsigned long address)
 {
-       return (pte_t *)page_table_alloc(mm, address, 1);
+       return (pte_t *)pte_fragment_alloc(mm, address, 1);
 }
 
 static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
                                        unsigned long address)
 {
-       return (pgtable_t)page_table_alloc(mm, address, 0);
+       return (pgtable_t)pte_fragment_alloc(mm, address, 0);
 }
 
 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 {
-       page_table_free(mm, (unsigned long *)pte, 1);
+       pte_fragment_fre((unsigned long *)pte, 1);
 }
 
 static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
 {
-       page_table_free(mm, (unsigned long *)ptepage, 0);
+       pte_fragment_free((unsigned long *)ptepage, 0);
 }
 
 static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,

diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index dafcd9f..a9a2238 100644 (file)
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -357,7 +357,7 @@ static pte_t *__alloc_for_cache(struct mm_struct *mm, int kernel)
        return (pte_t *)ret;
 }
 
-pte_t *page_table_alloc(struct mm_struct *mm, unsigned long vmaddr, int kernel)
+pte_t *pte_fragment_alloc(struct mm_struct *mm, unsigned long vmaddr, int kernel)
 {
        pte_t *pte;
 
@@ -368,7 +368,7 @@ pte_t *page_table_alloc(struct mm_struct *mm, unsigned long vmaddr, int kernel)
        return __alloc_for_cache(mm, kernel);
 }
 
-void page_table_free(struct mm_struct *mm, unsigned long *table, int kernel)
+void pte_fragment_free(unsigned long *table, int kernel)
 {
        struct page *page = virt_to_page(table);
        if (put_page_testzero(page)) {
@@ -379,15 +379,6 @@ void page_table_free(struct mm_struct *mm, unsigned long *table, int kernel)
 }
 
 #ifdef CONFIG_SMP
-static void page_table_free_rcu(void *table)
-{
-       struct page *page = virt_to_page(table);
-       if (put_page_testzero(page)) {
-               pgtable_page_dtor(page);
-               free_hot_cold_page(page, 0);
-       }
-}
-
 void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift)
 {
        unsigned long pgf = (unsigned long)table;
@@ -404,7 +395,7 @@ void __tlb_remove_table(void *_table)
 
        if (!shift)
                /* PTE page needs special handling */
-               page_table_free_rcu(table);
+               pte_fragment_free(table, 0);
        else {
                BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE);
                kmem_cache_free(PGT_CACHE(shift), table);
@@ -415,11 +406,7 @@ void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift)
 {
        if (!shift) {
                /* PTE page needs special handling */
-               struct page *page = virt_to_page(table);
-               if (put_page_testzero(page)) {
-                       pgtable_page_dtor(page);
-                       free_hot_cold_page(page, 0);
-               }
+               pte_fragment_free(table, 0);
        } else {
                BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE);
                kmem_cache_free(PGT_CACHE(shift), table);