forked from mirrors/linux
22e6c8087e
This patch corrects the SPDX License Identifier style in the arm64 Hardware Architecture related files. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
28 lines
772 B
C
28 lines
772 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
// Copyright (C) 2017 Arm Ltd.
|
|
#ifndef __ASM_VMAP_STACK_H
|
|
#define __ASM_VMAP_STACK_H
|
|
|
|
#include <linux/bug.h>
|
|
#include <linux/gfp.h>
|
|
#include <linux/kconfig.h>
|
|
#include <linux/vmalloc.h>
|
|
#include <asm/memory.h>
|
|
#include <asm/pgtable.h>
|
|
#include <asm/thread_info.h>
|
|
|
|
/*
|
|
* To ensure that VMAP'd stack overflow detection works correctly, all VMAP'd
|
|
* stacks need to have the same alignment.
|
|
*/
|
|
static inline unsigned long *arch_alloc_vmap_stack(size_t stack_size, int node)
|
|
{
|
|
BUILD_BUG_ON(!IS_ENABLED(CONFIG_VMAP_STACK));
|
|
|
|
return __vmalloc_node_range(stack_size, THREAD_ALIGN,
|
|
VMALLOC_START, VMALLOC_END,
|
|
THREADINFO_GFP, PAGE_KERNEL, 0, node,
|
|
__builtin_return_address(0));
|
|
}
|
|
|
|
#endif /* __ASM_VMAP_STACK_H */
|