From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Mon, 25 May 2009 12:01:35 +0000 (+0300)
Subject: vmalloc: use kzalloc() instead of alloc_bootmem()
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=43ebdac42f16037263b52a5aeedcd1bfa4a9bb29;p=openwrt%2Fstaging%2Fblogic.git

vmalloc: use kzalloc() instead of alloc_bootmem()

We can call vmalloc_init() after kmem_cache_init() and use kzalloc() instead of
the bootmem allocator when initializing vmalloc data structures.

Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Nick Piggin <npiggin@suse.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---

diff --git a/init/main.c b/init/main.c
index 0ab82a453de5..6d38f9607d14 100644
--- a/init/main.c
+++ b/init/main.c
@@ -587,7 +587,6 @@ asmlinkage void __init start_kernel(void)
 	 * kmem_cache_init()
 	 */
 	pidhash_init();
-	vmalloc_init();
 	vfs_caches_init_early();
 	sort_main_extable();
 	trap_init();
@@ -596,6 +595,7 @@ asmlinkage void __init start_kernel(void)
 	 */
 	mem_init();
 	kmem_cache_init();
+	vmalloc_init();
 	/*
 	 * Set up the scheduler prior starting any interrupts (such as the
 	 * timer interrupt). Full topology setup happens at smp_init()
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 083716ea38c9..323513858c20 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -23,7 +23,6 @@
 #include <linux/rbtree.h>
 #include <linux/radix-tree.h>
 #include <linux/rcupdate.h>
-#include <linux/bootmem.h>
 #include <linux/pfn.h>
 
 #include <asm/atomic.h>
@@ -1032,7 +1031,7 @@ void __init vmalloc_init(void)
 
 	/* Import existing vmlist entries. */
 	for (tmp = vmlist; tmp; tmp = tmp->next) {
-		va = alloc_bootmem(sizeof(struct vmap_area));
+		va = kzalloc(sizeof(struct vmap_area), GFP_NOWAIT);
 		va->flags = tmp->flags | VM_VM_AREA;
 		va->va_start = (unsigned long)tmp->addr;
 		va->va_end = va->va_start + tmp->size;