diff options
Diffstat (limited to 'include/asm-x86_64/mmzone.h')
| -rw-r--r-- | include/asm-x86_64/mmzone.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h index b40c661f111..8d48dc7e43a 100644 --- a/include/asm-x86_64/mmzone.h +++ b/include/asm-x86_64/mmzone.h @@ -41,9 +41,7 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) #define pfn_to_nid(pfn) phys_to_nid((unsigned long)(pfn) << PAGE_SHIFT) #define kvaddr_to_nid(kaddr) phys_to_nid(__pa(kaddr)) -/* AK: this currently doesn't deal with invalid addresses. We'll see - if the 2.5 kernel doesn't pass them - (2.4 used to). */ +/* Requires pfn_valid(pfn) to be true */ #define pfn_to_page(pfn) ({ \ int nid = phys_to_nid(((unsigned long)(pfn)) << PAGE_SHIFT); \ ((pfn) - node_start_pfn(nid)) + NODE_DATA(nid)->node_mem_map; \ |