Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc64: Use a TS_RESTORE_SIGMASK
  lmb: Make lmb debugging more useful.
  lmb: Fix inconsistent alignment of size argument.
  sparc: Fix mremap address range validation.

1 files changed, 30 insertions, 15 deletions

diff --git a/lib/lmb.c b/lib/lmb.c
index 83287d3869a3..867f7b5a8231 100644
--- a/lib/lmb.c
+++ b/lib/lmb.c
@@ -19,31 +19,42 @@
 
 struct lmb lmb;
 
+static int lmb_debug;
+
+static int __init early_lmb(char *p)
+{
+	if (p && strstr(p, "debug"))
+		lmb_debug = 1;
+	return 0;
+}
+early_param("lmb", early_lmb);
+
 void lmb_dump_all(void)
 {
-#ifdef DEBUG
 	unsigned long i;
 
-	pr_debug("lmb_dump_all:\n");
-	pr_debug("    memory.cnt		  = 0x%lx\n", lmb.memory.cnt);
-	pr_debug("    memory.size		  = 0x%llx\n",
+	if (!lmb_debug)
+		return;
+
+	pr_info("lmb_dump_all:\n");
+	pr_info("    memory.cnt		  = 0x%lx\n", lmb.memory.cnt);
+	pr_info("    memory.size		  = 0x%llx\n",
 	    (unsigned long long)lmb.memory.size);
 	for (i=0; i < lmb.memory.cnt ;i++) {
-		pr_debug("    memory.region[0x%x].base       = 0x%llx\n",
+		pr_info("    memory.region[0x%lx].base       = 0x%llx\n",
 		    i, (unsigned long long)lmb.memory.region[i].base);
-		pr_debug("		      .size     = 0x%llx\n",
+		pr_info("		      .size     = 0x%llx\n",
 		    (unsigned long long)lmb.memory.region[i].size);
 	}
 
-	pr_debug("    reserved.cnt	  = 0x%lx\n", lmb.reserved.cnt);
-	pr_debug("    reserved.size	  = 0x%lx\n", lmb.reserved.size);
+	pr_info("    reserved.cnt	  = 0x%lx\n", lmb.reserved.cnt);
+	pr_info("    reserved.size	  = 0x%lx\n", lmb.reserved.size);
 	for (i=0; i < lmb.reserved.cnt ;i++) {
-		pr_debug("    reserved.region[0x%x].base       = 0x%llx\n",
+		pr_info("    reserved.region[0x%lx].base       = 0x%llx\n",
 		    i, (unsigned long long)lmb.reserved.region[i].base);
-		pr_debug("		      .size     = 0x%llx\n",
+		pr_info("		      .size     = 0x%llx\n",
 		    (unsigned long long)lmb.reserved.region[i].size);
 	}
-#endif /* DEBUG */
 }
 
 static unsigned long lmb_addrs_overlap(u64 base1, u64 size1, u64 base2,
@@ -286,8 +297,7 @@ static u64 __init lmb_alloc_nid_unreserved(u64 start, u64 end,
 		j = lmb_overlaps_region(&lmb.reserved, base, size);
 		if (j < 0) {
 			/* this area isn't reserved, take it */
-			if (lmb_add_region(&lmb.reserved, base,
-					   lmb_align_up(size, align)) < 0)
+			if (lmb_add_region(&lmb.reserved, base, size) < 0)
 				base = ~(u64)0;
 			return base;
 		}
@@ -333,6 +343,10 @@ u64 __init lmb_alloc_nid(u64 size, u64 align, int nid,
 	struct lmb_region *mem = &lmb.memory;
 	int i;
 
+	BUG_ON(0 == size);
+
+	size = lmb_align_up(size, align);
+
 	for (i = 0; i < mem->cnt; i++) {
 		u64 ret = lmb_alloc_nid_region(&mem->region[i],
 					       nid_range,
@@ -370,6 +384,8 @@ u64 __init __lmb_alloc_base(u64 size, u64 align, u64 max_addr)
 
 	BUG_ON(0 == size);
 
+	size = lmb_align_up(size, align);
+
 	/* On some platforms, make sure we allocate lowmem */
 	/* Note that LMB_REAL_LIMIT may be LMB_ALLOC_ANYWHERE */
 	if (max_addr == LMB_ALLOC_ANYWHERE)
@@ -393,8 +409,7 @@ u64 __init __lmb_alloc_base(u64 size, u64 align, u64 max_addr)
 			j = lmb_overlaps_region(&lmb.reserved, base, size);
 			if (j < 0) {
 				/* this area isn't reserved, take it */
-				if (lmb_add_region(&lmb.reserved, base,
-						   lmb_align_up(size, align)) < 0)
+				if (lmb_add_region(&lmb.reserved, base, size) < 0)
 					return 0;
 				return base;
 			}