From: Jeff Dike <jdike@addtoit.com>
Date: Mon, 16 Jul 2007 06:38:48 +0000 (-0700)
Subject: uml: use get_free_pages to allocate kernel stacks
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=84812217e395f5272eac36856c0a2415d61fe139;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

uml: use get_free_pages to allocate kernel stacks

For some reason, I was using kmalloc instead of get_free_pages for kernel
stacks.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/include/asm-um/thread_info.h b/include/asm-um/thread_info.h
index 18a13ba74605..07aa4e50e4d0 100644
--- a/include/asm-um/thread_info.h
+++ b/include/asm-um/thread_info.h
@@ -54,8 +54,10 @@ static inline struct thread_info *current_thread_info(void)
 
 /* thread information allocation */
 #define alloc_thread_info(tsk) \
-	((struct thread_info *) kmalloc(THREAD_SIZE, GFP_KERNEL))
-#define free_thread_info(ti) kfree(ti)
+	((struct thread_info *) __get_free_pages(GFP_KERNEL, \
+						 CONFIG_KERNEL_STACK_ORDER))
+#define free_thread_info(ti) \
+	free_pages((unsigned long)(ti),CONFIG_KERNEL_STACK_ORDER)
 
 #endif