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Diffstat (limited to 'arch/powerpc/mm/mem.c')
-rw-r--r--arch/powerpc/mm/mem.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 59736317bf0e..b9b152558f9c 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -32,6 +32,7 @@
#include <linux/pagemap.h>
#include <linux/suspend.h>
#include <linux/lmb.h>
+#include <linux/hugetlb.h>
#include <asm/pgalloc.h>
#include <asm/prom.h>
@@ -417,18 +418,26 @@ EXPORT_SYMBOL(flush_dcache_page);
void flush_dcache_icache_page(struct page *page)
{
+#ifdef CONFIG_HUGETLB_PAGE
+ if (PageCompound(page)) {
+ flush_dcache_icache_hugepage(page);
+ return;
+ }
+#endif
#ifdef CONFIG_BOOKE
- void *start = kmap_atomic(page, KM_PPC_SYNC_ICACHE);
- __flush_dcache_icache(start);
- kunmap_atomic(start, KM_PPC_SYNC_ICACHE);
+ {
+ void *start = kmap_atomic(page, KM_PPC_SYNC_ICACHE);
+ __flush_dcache_icache(start);
+ kunmap_atomic(start, KM_PPC_SYNC_ICACHE);
+ }
#elif defined(CONFIG_8xx) || defined(CONFIG_PPC64)
/* On 8xx there is no need to kmap since highmem is not supported */
__flush_dcache_icache(page_address(page));
#else
__flush_dcache_icache_phys(page_to_pfn(page) << PAGE_SHIFT);
#endif
-
}
+
void clear_user_page(void *page, unsigned long vaddr, struct page *pg)
{
clear_page(page);