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| 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 | */ |
| 16 | static 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 */ |
| 26 |
Warning: This file is not a C or C++ file. It does not have highlighting.