Re: [PATCH 1/5] x86_64: get mp_bus_to_node as early v2

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

 



On Thu, Jul 26, 2007 at 01:05:09PM -0700, Yinghai Lu wrote:
> 
+#ifdef CONFIG_ACPI_NUMA
        int pxm;
-
-       /* Allocate per-root-bus (not per bus) arch-specific data.
-        * TODO: leak; this memory is never freed.
-        * It's arguable whether it's worth the trouble to care.
-        */
-       sd = kzalloc(sizeof(*sd), GFP_KERNEL);
-       if (!sd) {
-               printk(KERN_ERR "PCI: OOM, not probing PCI bus %02x\n", busnum);
-               return NULL;
-       }
+       int node;
+#endif

        if (domain != 0) {
                printk(KERN_WARNING "PCI: Multiple domains not supported\n");
-               kfree(sd);
                return NULL;
        }

-       sd->node = -1;
-
-       pxm = acpi_get_pxm(device->handle);
 #ifdef CONFIG_ACPI_NUMA
-       if (pxm >= 0)
-               sd->node = pxm_to_node(pxm);
+       pxm = acpi_get_pxm(device->handle);
+       if (pxm >= 0) {
+               node = pxm_to_node(pxm);
+               printk(KERN_INFO "bus %02x -> pxm %d -> node %02x\n",
+                       busnum, pxm, node);
+               set_mp_bus_to_node(busnum, node);
+       }
 #endif
The local variable 'node' is only used in the above if statement.
So moving the definition inside the if statement will save one pair
of ugly #ifdef/#endif

	Sam


-
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