X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86_64%2Fmm%2Fsrat.c;h=502fce65e96ae246986e4b767b0e10897733b71c;hb=f17a2686b11453680e9662ef8bdc8d948d0dce18;hp=15ae9fcd65a700c9f9060860f0fce56f7f6f3fcf;hpb=32ea89ecb25789b1b7db28146558587a42f3b372;p=pandora-kernel.git

diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c
index 15ae9fcd65a7..502fce65e96a 100644
--- a/arch/x86_64/mm/srat.c
+++ b/arch/x86_64/mm/srat.c
@@ -30,38 +30,21 @@
 static struct acpi_table_slit *acpi_slit;
 
 static nodemask_t nodes_parsed __initdata;
-static nodemask_t nodes_found __initdata;
 static struct bootnode nodes[MAX_NUMNODES] __initdata;
 static struct bootnode nodes_add[MAX_NUMNODES] __initdata;
 static int found_add_area __initdata;
-int hotadd_percent __initdata = 10;
-static u8 pxm2node[256] = { [0 ... 255] = 0xff };
+int hotadd_percent __initdata = 0;
+#ifndef RESERVE_HOTADD
+#define hotadd_percent 0	/* Ignore all settings */
+#endif
 
 /* Too small nodes confuse the VM badly. Usually they result
    from BIOS bugs. */
 #define NODE_MIN_SIZE (4*1024*1024)
 
-static int node_to_pxm(int n);
-
-int pxm_to_node(int pxm)
-{
-	if ((unsigned)pxm >= 256)
-		return -1;
-	/* Extend 0xff to (int)-1 */
-	return (signed char)pxm2node[pxm];
-}
-
 static __init int setup_node(int pxm)
 {
-	unsigned node = pxm2node[pxm];
-	if (node == 0xff) {
-		if (nodes_weight(nodes_found) >= MAX_NUMNODES)
-			return -1;
-		node = first_unset_node(nodes_found); 
-		node_set(node, nodes_found);
-		pxm2node[pxm] = node;
-	}
-	return pxm2node[pxm];
+	return acpi_map_pxm_to_node(pxm);
 }
 
 static __init int conflicting_nodes(unsigned long start, unsigned long end)
@@ -103,6 +86,7 @@ static __init void bad_srat(void)
 	int i;
 	printk(KERN_ERR "SRAT: SRAT not used.\n");
 	acpi_numa = -1;
+	found_add_area = 0;
 	for (i = 0; i < MAX_LOCAL_APIC; i++)
 		apicid_to_node[i] = NUMA_NO_NODE;
 	for (i = 0; i < MAX_NUMNODES; i++)
@@ -154,7 +138,8 @@ acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
 	int pxm, node;
 	if (srat_disabled())
 		return;
-	if (pa->header.length != sizeof(struct acpi_table_processor_affinity)) {		bad_srat();
+	if (pa->header.length != sizeof(struct acpi_table_processor_affinity)) {
+		bad_srat();
 		return;
 	}
 	if (pa->flags.enabled == 0)
@@ -191,15 +176,17 @@ static int hotadd_enough_memory(struct bootnode *nd)
 	allowed = (end_pfn - e820_hole_size(0, end_pfn)) * PAGE_SIZE;
 	allowed = (allowed / 100) * hotadd_percent;
 	if (allocated + mem > allowed) {
+		unsigned long range;
 		/* Give them at least part of their hotadd memory upto hotadd_percent
 		   It would be better to spread the limit out
 		   over multiple hotplug areas, but that is too complicated
 		   right now */
 		if (allocated >= allowed)
 			return 0;
-		pages = (allowed - allocated + mem) / sizeof(struct page);
+		range = allowed - allocated;
+		pages = (range / PAGE_SIZE);
 		mem = pages * sizeof(struct page);
-		nd->end = nd->start + pages*PAGE_SIZE;
+		nd->end = nd->start + range;
 	}
 	/* Not completely fool proof, but a good sanity check */
 	addr = find_e820_area(last_area_end, end_pfn<<PAGE_SHIFT, mem);
@@ -392,8 +379,10 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
 	/* First clean up the node list */
 	for (i = 0; i < MAX_NUMNODES; i++) {
  		cutoff_node(i, start, end);
-		if ((nodes[i].end - nodes[i].start) < NODE_MIN_SIZE)
+		if ((nodes[i].end - nodes[i].start) < NODE_MIN_SIZE) {
 			unparse_node(i);
+			node_set_offline(i);
+		}
 	}
 
 	if (acpi_numa <= 0)
@@ -431,17 +420,6 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
 	return 0;
 }
 
-static int node_to_pxm(int n)
-{
-       int i;
-       if (pxm2node[n] == n)
-               return n;
-       for (i = 0; i < 256; i++)
-               if (pxm2node[i] == n)
-                       return i;
-       return 0;
-}
-
 void __init srat_reserve_add_area(int nodeid)
 {
 	if (found_add_area && nodes_add[nodeid].end) {