if (mapping && !mapping_mapped(mapping))
set_bit(PG_dcache_dirty, &page->flags);
else {
- int i, pc;
- unsigned long vto, kaddr, flags;
+ unsigned long kaddr, flags;
+
kaddr = (unsigned long)page_address(page);
- cpu_dcache_wbinval_page(kaddr);
- pc = CACHE_SET(DCACHE) * CACHE_LINE_SIZE(DCACHE) / PAGE_SIZE;
local_irq_save(flags);
- for (i = 0; i < pc; i++) {
- vto =
- kremap0(kaddr + i * PAGE_SIZE, page_to_phys(page));
- cpu_dcache_wbinval_page(vto);
- kunmap01(vto);
+ cpu_dcache_wbinval_page(kaddr);
+ if (mapping) {
+ unsigned long vaddr, kto;
+
+ vaddr = page->index << PAGE_SHIFT;
+ if (aliasing(vaddr, kaddr)) {
+ kto = kremap0(vaddr, page_to_phys(page));
+ cpu_dcache_wbinval_page(kto);
+ kunmap01(kto);
+ }
}
local_irq_restore(flags);
}