paddr_to_nid fixup
PATCH 1/1 paddr_to_nid fixup
David,
Here is a small patch for paddr_to_nid(). This fix is already in 2.4 and is used in the case where a NUMA kernel is running on a machine without a SRAT ACPI table. Without this patch the node info is not correctly located.
mh
Signature · 27 lines
Wild Open Source Inc. [email protected] # This is a BitKeeper generated patch for the following project: # Project Name: Linux kernel tree # This patch format is intended for GNU patch command version 2.5 or higher. # This patch includes the following deltas: # ChangeSet 1.1149 -> 1.1150 # arch/ia64/mm/numa.c 1.2 -> 1.3 # # The following is the BitKeeper ChangeSet Log # -------------------------------------------- # 03/08/21 [email protected] 1.1150 # This fixes paddr_to_nid() for the case where there is no # ACPI SRAT table, and thus num_memblks = 0. # -------------------------------------------- # diff -Nru a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c --- a/arch/ia64/mm/numa.c Thu Aug 21 12:02:28 2003 +++ b/arch/ia64/mm/numa.c Thu Aug 21 12:02:28 2003 @@ -43,5 +43,5 @@ paddr < node_memblk[i].start_paddr + node_memblk[i].size) break; - return (i < num_memblks) ? node_memblk[i].nid : -1; + return (i < num_memblks) ? node_memblk[i].nid : (num_memblks ? -1 : 0); }