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Commit 74701d59 authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Michael Ellerman
Browse files

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



Only code cleanup. No functionality change.

Signed-off-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent bcbe7f77

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

+6 −6
Original line number Diff line number Diff line
@@ -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,

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

+6 −6
Original line number Diff line number Diff line
@@ -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,

arch/powerpc/mm/pgtable_64.c

+4 −17
Original line number Diff line number Diff line
@@ -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);