switch (prot_val) {
case _PAGE_CACHE_UC:
default:
- err = set_memory_uc(vaddr, nrpages);
+ err = _set_memory_uc(vaddr, nrpages);
break;
case _PAGE_CACHE_WB:
- err = set_memory_wb(vaddr, nrpages);
+ err = _set_memory_wb(vaddr, nrpages);
break;
}
#include <asm/uaccess.h>
#include <asm/pgalloc.h>
#include <asm/proto.h>
+#include <asm/pat.h>
/*
* The current flushing context - we pass it instead of 5 arguments:
return change_page_attr_set_clr(addr, numpages, __pgprot(0), mask);
}
-int set_memory_uc(unsigned long addr, int numpages)
+int _set_memory_uc(unsigned long addr, int numpages)
{
return change_page_attr_set(addr, numpages,
__pgprot(_PAGE_CACHE_UC));
}
+
+int set_memory_uc(unsigned long addr, int numpages)
+{
+ if (reserve_memtype(addr, addr + numpages * PAGE_SIZE,
+ _PAGE_CACHE_UC, NULL))
+ return -EINVAL;
+
+ return _set_memory_uc(addr, numpages);
+}
EXPORT_SYMBOL(set_memory_uc);
-int set_memory_wb(unsigned long addr, int numpages)
+int _set_memory_wb(unsigned long addr, int numpages)
{
return change_page_attr_clear(addr, numpages,
__pgprot(_PAGE_CACHE_MASK));
}
+
+int set_memory_wb(unsigned long addr, int numpages)
+{
+ free_memtype(addr, addr + numpages * PAGE_SIZE);
+
+ return _set_memory_wb(addr, numpages);
+}
EXPORT_SYMBOL(set_memory_wb);
int set_memory_x(unsigned long addr, int numpages)
int set_pages_ro(struct page *page, int numpages);
int set_pages_rw(struct page *page, int numpages);
+int _set_memory_uc(unsigned long addr, int numpages);
+int _set_memory_wb(unsigned long addr, int numpages);
int set_memory_uc(unsigned long addr, int numpages);
int set_memory_wb(unsigned long addr, int numpages);
int set_memory_x(unsigned long addr, int numpages);