[PATCH] x86_64: Print a boot message for hotplug memory zones

From: Keith Manning

Print a boot message for hotplug memory zones

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c
index 5d01b31..ec1c4ac 100644 (file)
--- a/arch/x86_64/mm/srat.c
+++ b/arch/x86_64/mm/srat.c
@@ -124,7 +124,6 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
 
        if (srat_disabled() || ma->flags.enabled == 0)
                return;
-       /* hotplug bit is ignored for now */
        pxm = ma->proximity_domain;
        node = setup_node(pxm);
        if (node < 0) {
@@ -134,6 +133,10 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
        }
        start = ma->base_addr_lo | ((u64)ma->base_addr_hi << 32);
        end = start + (ma->length_lo | ((u64)ma->length_hi << 32));
+       /* It is fine to add this area to the nodes data it will be used later*/
+       if (ma->flags.hot_pluggable == 1)
+               printk(KERN_INFO "SRAT: hot plug zone found %lx - %lx \n",
+                               start, end);
        i = conflicting_nodes(start, end);
        if (i >= 0) {
                printk(KERN_ERR