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uml: use UM_THREAD_SIZE in userspace code
[powerpc.git]
/
arch
/
sh
/
mm
/
cache-sh4.c
diff --git
a/arch/sh/mm/cache-sh4.c
b/arch/sh/mm/cache-sh4.c
index
e0cd4b7
..
981b040
100644
(file)
--- a/
arch/sh/mm/cache-sh4.c
+++ b/
arch/sh/mm/cache-sh4.c
@@
-237,20
+237,10
@@
static inline void flush_cache_4096(unsigned long start,
/*
* Write back & invalidate the D-cache of the page.
* (To avoid "alias" issues)
/*
* Write back & invalidate the D-cache of the page.
* (To avoid "alias" issues)
- *
- * This uses a lazy write-back on UP, which is explicitly
- * disabled on SMP.
*/
void flush_dcache_page(struct page *page)
{
*/
void flush_dcache_page(struct page *page)
{
-#ifndef CONFIG_SMP
- struct address_space *mapping = page_mapping(page);
-
- if (mapping && !mapping_mapped(mapping))
- set_bit(PG_dcache_dirty, &page->flags);
- else
-#endif
- {
+ if (test_bit(PG_mapped, &page->flags)) {
unsigned long phys = PHYSADDR(page_address(page));
unsigned long addr = CACHE_OC_ADDRESS_ARRAY;
int i, n;
unsigned long phys = PHYSADDR(page_address(page));
unsigned long addr = CACHE_OC_ADDRESS_ARRAY;
int i, n;