linux-kernel - [PATCH] x86: cleanup reloated

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Date:	Fri, 13 Jun 2008 20:07:03 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86: cleanup reloated_initrd


1. move that before zone_sizes_init ...
2. add free_early for one old one, otherwise it will be be reserved again when
   init highmem.

Signed-off-by: Yinghai Lu <yhlu.kernel@...il.com>

Index: linux-2.6/arch/x86/kernel/setup_32.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/setup_32.c
+++ linux-2.6/arch/x86/kernel/setup_32.c
@@ -585,6 +585,9 @@ static void __init relocate_initrd(void)
 	printk(KERN_INFO "Copied RAMDISK from %016llx - %016llx to %08llx - %08llx\n",
 		ramdisk_image, ramdisk_image + ramdisk_size - 1,
 		ramdisk_here, ramdisk_here + ramdisk_size - 1);
+
+	/* need to free that, otherwise init highmem will reserve it again */
+	free_early(ramdisk_image, ramdisk_image+ramdisk_size);
 }
 
 #endif /* CONFIG_BLK_DEV_INITRD */
@@ -813,10 +816,6 @@ void __init setup_arch(char **cmdline_p)
 		init_ohci1394_dma_on_all_controllers();
 #endif
 
-	remapped_pgdat_init();
-	sparse_init();
-	zone_sizes_init();
-
 	/*
 	 * NOTE: at this point the bootmem allocator is fully available.
 	 */
@@ -825,6 +824,10 @@ void __init setup_arch(char **cmdline_p)
 	relocate_initrd();
 #endif
 
+	remapped_pgdat_init();
+	sparse_init();
+	zone_sizes_init();
+
 	paravirt_post_allocator_init();
 
 	dmi_scan_machine();
--
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