diff options
Diffstat (limited to 'arch/arm/include/asm/set_memory.h')
| -rw-r--r-- | arch/arm/include/asm/set_memory.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/include/asm/set_memory.h b/arch/arm/include/asm/set_memory.h new file mode 100644 index 000000000..a1ceff429 --- /dev/null +++ b/arch/arm/include/asm/set_memory.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 1999-2002 Russell King + */ + +#ifndef _ASMARM_SET_MEMORY_H +#define _ASMARM_SET_MEMORY_H + +#ifdef CONFIG_MMU +int set_memory_ro(unsigned long addr, int numpages); +int set_memory_rw(unsigned long addr, int numpages); +int set_memory_x(unsigned long addr, int numpages); +int set_memory_nx(unsigned long addr, int numpages); +#else +static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; } +static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; } +static inline int set_memory_x(unsigned long addr, int numpages) { return 0; } +static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; } +#endif + +#ifdef CONFIG_STRICT_KERNEL_RWX +void set_kernel_text_rw(void); +void set_kernel_text_ro(void); +#else +static inline void set_kernel_text_rw(void) { } +static inline void set_kernel_text_ro(void) { } +#endif + +#endif |