Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 */
2// Copyright (C) 2017 Arm Ltd.
3#ifndef __ASM_VMAP_STACK_H
4#define __ASM_VMAP_STACK_H
5
6#include <linux/gfp.h>
7#include <linux/vmalloc.h>
8#include <linux/pgtable.h>
9#include <asm/memory.h>
10#include <asm/thread_info.h>
11
12/*
13 * To ensure that VMAP'd stack overflow detection works correctly, all VMAP'd
14 * stacks need to have the same alignment.
15 */
16static inline unsigned long *arch_alloc_vmap_stack(size_t stack_size, int node)
17{
18 void *p;
19
20 p = __vmalloc_node(stack_size, THREAD_ALIGN, THREADINFO_GFP, node,
21 __builtin_return_address(0));
22 return kasan_reset_tag(p);
23}
24
25#endif /* __ASM_VMAP_STACK_H */