From 273988fa4dffd1b1e6deb3de18b979a44e9d8732 Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Wed, 9 Apr 2008 13:05:41 -0700 Subject: [PATCH] [IA64] Untangle sync_icache_dcache() page size determination Untangle the chaos of page size determination in this function by simply using PAGE_SIZE << compound_order(). Signed-off-by: Christoph Lameter Signed-off-by: Tony Luck --- arch/ia64/mm/init.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index a4ca657c72c..da05893294b 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -58,7 +58,6 @@ __ia64_sync_icache_dcache (pte_t pte) { unsigned long addr; struct page *page; - unsigned long order; page = pte_page(pte); addr = (unsigned long) page_address(page); @@ -66,12 +65,7 @@ __ia64_sync_icache_dcache (pte_t pte) if (test_bit(PG_arch_1, &page->flags)) return; /* i-cache is already coherent with d-cache */ - if (PageCompound(page)) { - order = compound_order(page); - flush_icache_range(addr, addr + (1UL << order << PAGE_SHIFT)); - } - else - flush_icache_range(addr, addr + PAGE_SIZE); + flush_icache_range(addr, addr + (PAGE_SIZE << compound_order(page))); set_bit(PG_arch_1, &page->flags); /* mark page as clean */ } -- 2.20.1