[RFC][PATCH 1/9] pfn_to_kaddr() for UML

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Update UML with a proper 'pfn_to_kaddr()' definition, the VM deadlock
avoidance framework uses it.

Signed-off-by: Peter Zijlstra <[email protected]>
Signed-off-by: Daniel Phillips <[email protected]>

---
 include/asm-um/page.h |    2 ++
 1 file changed, 2 insertions(+)

Index: linux-2.6/include/asm-um/page.h
===================================================================
--- linux-2.6.orig/include/asm-um/page.h
+++ linux-2.6/include/asm-um/page.h
@@ -111,6 +111,8 @@ extern unsigned long uml_physmem;
 #define pfn_valid(pfn) ((pfn) < max_mapnr)
 #define virt_addr_valid(v) pfn_valid(phys_to_pfn(__pa(v)))
 
+#define pfn_to_kaddr(pfn)	__va((pfn) << PAGE_SHIFT)
+
 extern struct page *arch_validate(struct page *page, gfp_t mask, int order);
 #define HAVE_ARCH_VALIDATE
 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux