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authorChristoph Lameter <clameter@sgi.com>2008-04-09 16:05:41 -0400
committerTony Luck <tony.luck@intel.com>2008-04-09 16:05:41 -0400
commit273988fa4dffd1b1e6deb3de18b979a44e9d8732 (patch)
treef28645f5d5a5432bf0cd3f91318ce4709830f196 /arch/ia64
parent5cf1f7cef1c67b5c81736f00e81a2890e07041b9 (diff)
[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 <clameter@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/mm/init.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index a4ca657c72c6..da05893294b5 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -58,7 +58,6 @@ __ia64_sync_icache_dcache (pte_t pte)
58{ 58{
59 unsigned long addr; 59 unsigned long addr;
60 struct page *page; 60 struct page *page;
61 unsigned long order;
62 61
63 page = pte_page(pte); 62 page = pte_page(pte);
64 addr = (unsigned long) page_address(page); 63 addr = (unsigned long) page_address(page);
@@ -66,12 +65,7 @@ __ia64_sync_icache_dcache (pte_t pte)
66 if (test_bit(PG_arch_1, &page->flags)) 65 if (test_bit(PG_arch_1, &page->flags))
67 return; /* i-cache is already coherent with d-cache */ 66 return; /* i-cache is already coherent with d-cache */
68 67
69 if (PageCompound(page)) { 68 flush_icache_range(addr, addr + (PAGE_SIZE << compound_order(page)));
70 order = compound_order(page);
71 flush_icache_range(addr, addr + (1UL << order << PAGE_SHIFT));
72 }
73 else
74 flush_icache_range(addr, addr + PAGE_SIZE);
75 set_bit(PG_arch_1, &page->flags); /* mark page as clean */ 69 set_bit(PG_arch_1, &page->flags); /* mark page as clean */
76} 70}
77 71