[PATCH] x86_64: Use correct PUD for memory hotadd

Memory >39bits has a different PUD. Cc: "Tolentino, Matthew E" <matthew.e.tolentino@intel.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
git-mirror · Mar 25, 2006 · c7ea1a9 · c7ea1a9
1 parent af8fc1f
commit c7ea1a9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
@@ -344,7 +344,7 @@ void __meminit init_memory_mapping(unsigned long start, unsigned long end)
 		pud_t *pud;
 
 		if (after_bootmem)
-			pud = pud_offset_k(pgd, __PAGE_OFFSET);
+			pud = pud_offset_k(pgd, start & PGDIR_MASK);
 		else
 			pud = alloc_low_page(&map, &pud_phys);