X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=mm%2Fbootmem.c;h=ac5a891f142a8176dc7c3fdd2592ef6c89511dec;hb=22ab019b6ff8f3f93ddc93135d7e7ff24d982fe0;hp=e023c68b025555b6110e8d6352f9ad19e5c7f7f7;hpb=8b53b57576292b92b27769f9e213df19b6e57786;p=linux-2.6-omap-h63xx.git

diff --git a/mm/bootmem.c b/mm/bootmem.c
index e023c68b025..ac5a891f142 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -48,7 +48,7 @@ early_param("bootmem_debug", bootmem_debug_setup);
 	if (unlikely(bootmem_debug))			\
 		printk(KERN_INFO			\
 			"bootmem::%s " fmt,		\
-			__FUNCTION__, ## args);		\
+			__func__, ## args);		\
 })
 
 static unsigned long __init bootmap_bytes(unsigned long pages)
@@ -405,6 +405,29 @@ int __init reserve_bootmem(unsigned long addr, unsigned long size,
 }
 #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
 
+static unsigned long align_idx(struct bootmem_data *bdata, unsigned long idx,
+			unsigned long step)
+{
+	unsigned long base = bdata->node_min_pfn;
+
+	/*
+	 * Align the index with respect to the node start so that the
+	 * combination of both satisfies the requested alignment.
+	 */
+
+	return ALIGN(base + idx, step) - base;
+}
+
+static unsigned long align_off(struct bootmem_data *bdata, unsigned long off,
+			unsigned long align)
+{
+	unsigned long base = PFN_PHYS(bdata->node_min_pfn);
+
+	/* Same as align_idx for byte offsets */
+
+	return ALIGN(base + off, align) - base;
+}
+
 static void * __init alloc_bootmem_core(struct bootmem_data *bdata,
 				unsigned long size, unsigned long align,
 				unsigned long goal, unsigned long limit)
@@ -441,7 +464,7 @@ static void * __init alloc_bootmem_core(struct bootmem_data *bdata,
 	else
 		start = ALIGN(min, step);
 
-	sidx = start - bdata->node_min_pfn;;
+	sidx = start - bdata->node_min_pfn;
 	midx = max - bdata->node_min_pfn;
 
 	if (bdata->hint_idx > sidx) {
@@ -450,7 +473,7 @@ static void * __init alloc_bootmem_core(struct bootmem_data *bdata,
 		 * catch the fallback below.
 		 */
 		fallback = sidx + 1;
-		sidx = ALIGN(bdata->hint_idx, step);
+		sidx = align_idx(bdata, bdata->hint_idx, step);
 	}
 
 	while (1) {
@@ -459,7 +482,7 @@ static void * __init alloc_bootmem_core(struct bootmem_data *bdata,
 		unsigned long eidx, i, start_off, end_off;
 find_block:
 		sidx = find_next_zero_bit(bdata->node_bootmem_map, midx, sidx);
-		sidx = ALIGN(sidx, step);
+		sidx = align_idx(bdata, sidx, step);
 		eidx = sidx + PFN_UP(size);
 
 		if (sidx >= midx || eidx > midx)
@@ -467,7 +490,7 @@ find_block:
 
 		for (i = sidx; i < eidx; i++)
 			if (test_bit(i, bdata->node_bootmem_map)) {
-				sidx = ALIGN(i, step);
+				sidx = align_idx(bdata, i, step);
 				if (sidx == i)
 					sidx += step;
 				goto find_block;
@@ -475,7 +498,7 @@ find_block:
 
 		if (bdata->last_end_off & (PAGE_SIZE - 1) &&
 				PFN_DOWN(bdata->last_end_off) + 1 == sidx)
-			start_off = ALIGN(bdata->last_end_off, align);
+			start_off = align_off(bdata, bdata->last_end_off, align);
 		else
 			start_off = PFN_PHYS(sidx);
 
@@ -499,7 +522,7 @@ find_block:
 	}
 
 	if (fallback) {
-		sidx = ALIGN(fallback - 1, step);
+		sidx = align_idx(bdata, fallback - 1, step);
 		fallback = 0;
 		goto find_block;
 	}