X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Farm%2Fmm%2Finit.c;h=3f17ea146f0ee5950259e1558da64bfdb64e556d;hp=e591513bb53ecdfa06b9d8bf23d483bed7dbe733;hb=c0880dcded3ffe77700184e9d96c110ce0094c11;hpb=4d9dec4db2efbd7edb549bd02373995b67496983

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index e591513bb53e..3f17ea146f0e 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -85,7 +85,7 @@ void show_mem(unsigned int filter)
 	struct meminfo * mi = &meminfo;
 
 	printk("Mem-info:\n");
-	show_free_areas();
+	show_free_areas(filter);
 
 	for_each_bank (i, mi) {
 		struct membank *bank = &mi->bank[i];
@@ -201,6 +201,20 @@ static void __init arm_bootmem_init(unsigned long start_pfn,
 	}
 }
 
+#ifdef CONFIG_ZONE_DMA
+static void __init arm_adjust_dma_zone(unsigned long *size, unsigned long *hole,
+	unsigned long dma_size)
+{
+	if (size[0] <= dma_size)
+		return;
+
+	size[ZONE_NORMAL] = size[0] - dma_size;
+	size[ZONE_DMA] = dma_size;
+	hole[ZONE_NORMAL] = hole[0];
+	hole[ZONE_DMA] = 0;
+}
+#endif
+
 static void __init arm_bootmem_free(unsigned long min, unsigned long max_low,
 	unsigned long max_high)
 {
@@ -243,11 +257,18 @@ static void __init arm_bootmem_free(unsigned long min, unsigned long max_low,
 #endif
 	}
 
+#ifdef ARM_DMA_ZONE_SIZE
+#ifndef CONFIG_ZONE_DMA
+#error ARM_DMA_ZONE_SIZE set but no DMA zone to limit allocations
+#endif
+
 	/*
 	 * Adjust the sizes according to any special requirements for
 	 * this machine type.
 	 */
-	arch_adjust_zones(zone_size, zhole_size);
+	arm_adjust_dma_zone(zone_size, zhole_size,
+		ARM_DMA_ZONE_SIZE >> PAGE_SHIFT);
+#endif
 
 	free_area_init_node(0, zone_size, min, zhole_size);
 }