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Diffstat (limited to 'arch/ia64/mm/init.c')
-rw-r--r--arch/ia64/mm/init.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 2ef1151cde9..cafa8776a53 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -109,6 +109,7 @@ lazy_mmu_prot_update (pte_t pte)
{
unsigned long addr;
struct page *page;
+ unsigned long order;
if (!pte_exec(pte))
return; /* not an executable page... */
@@ -119,7 +120,12 @@ lazy_mmu_prot_update (pte_t pte)
if (test_bit(PG_arch_1, &page->flags))
return; /* i-cache is already coherent with d-cache */
- flush_icache_range(addr, addr + PAGE_SIZE);
+ if (PageCompound(page)) {
+ order = (unsigned long) (page[1].lru.prev);
+ flush_icache_range(addr, addr + (1UL << order << PAGE_SHIFT));
+ }
+ else
+ flush_icache_range(addr, addr + PAGE_SIZE);
set_bit(PG_arch_1, &page->flags); /* mark page as clean */
}