From f63837f0581fe580168ae1a7d178ded935411747 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Sun, 14 Dec 2008 19:44:51 +0000 Subject: powerpc/mm: Remove flush_HPTE() The function flush_HPTE() is used in only one place, the implementation of DEBUG_PAGEALLOC on ppc32. It's actually a dup of flush_tlb_page() though it's -slightly- more efficient on hash based processors. We remove it and replace it by a direct call to the hash flush code on those processors and to flush_tlb_page() for everybody else. Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- arch/powerpc/mm/pgtable_32.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/mm/pgtable_32.c') diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index c7b755cba26a..341472440137 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -342,7 +342,11 @@ static int __change_page_attr(struct page *page, pgprot_t prot) return -EINVAL; set_pte_at(&init_mm, address, kpte, mk_pte(page, prot)); wmb(); - flush_HPTE(0, address, pmd_val(*kpmd)); +#ifdef CONFIG_PPC_STD_MMU + flush_hash_pages(0, address, pmd_val(*kpmd), 1); +#else + flush_tlb_page(NULL, address); +#endif pte_unmap(kpte); return 0; -- cgit v1.2.3