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

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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>
This commit is contained in:
Aneesh Kumar K.V 2016-04-29 23:26:17 +10:00 • committed by Michael Ellerman
parent bcbe7f777e
commit 74701d5947
3 changed files with 16 additions and 29 deletions
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21
arch/powerpc/mm/pgtable_64.c
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@ -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);