From 8d9672176f8c3be70d25c87ec48e0561b2c1e8b6 Mon Sep 17 00:00:00 2001
From: David Gibson <david@gibson.dropbear.id.au>
Date: Mon, 24 Oct 2005 14:05:38 +1000
Subject: [PATCH] --- yaml --- r: 11674 b: refs/heads/master c:
 328985b2c69d2592edd7f181a6b7360e51b08515 h: refs/heads/master v: v3

---
 [refs]                                  |  2 +-
 trunk/include/asm-powerpc/thread_info.h | 27 ++++++++++++++++---------
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/[refs] b/[refs]
index 4b2f206e8d3d..f36d0feb67f3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2765ca254060adb9a5abc2cfc6264b8daafc5742
+refs/heads/master: 328985b2c69d2592edd7f181a6b7360e51b08515
diff --git a/trunk/include/asm-powerpc/thread_info.h b/trunk/include/asm-powerpc/thread_info.h
index 0b4c24551c21..ab17db79f69d 100644
--- a/trunk/include/asm-powerpc/thread_info.h
+++ b/trunk/include/asm-powerpc/thread_info.h
@@ -66,19 +66,26 @@ struct thread_info {
 /* thread information allocation */
 
 #ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk)					\
-	({							\
-		struct thread_info *ret;			\
-								\
-		ret = kmalloc(THREAD_SIZE, GFP_KERNEL);		\
-		if (ret)					\
-			memset(ret, 0, THREAD_SIZE);		\
-		ret;						\
-	})
+#define THREAD_INFO_GFP		GFP_KERNEL | __GFP_ZERO
 #else
-#define alloc_thread_info(tsk)	kmalloc(THREAD_SIZE, GFP_KERNEL)
+#define THREAD_INFO_GFP		GFP_KERNEL
 #endif
+
+#if THREAD_SHIFT >= PAGE_SHIFT
+
+#define THREAD_ORDER	(THREAD_SHIFT - PAGE_SHIFT)
+
+#define alloc_thread_info(tsk)	\
+	((struct thread_info *)__get_free_pages(THREAD_INFO_GFP, THREAD_ORDER))
+#define free_thread_info(ti)	free_pages((unsigned long)ti, THREAD_ORDER)
+
+#else /* THREAD_SHIFT < PAGE_SHIFT */
+
+#define alloc_thread_info(tsk)	kmalloc(THREAD_SIZE, THREAD_INFO_GFP)
 #define free_thread_info(ti)	kfree(ti)
+
+#endif /* THREAD_SHIFT < PAGE_SHIFT */
+
 #define get_thread_info(ti)	get_task_struct((ti)->task)
 #define put_thread_info(ti)	put_task_struct((ti)->task)