1 /* 2 * Architecture specific mm hooks 3 * 4 * Copyright (C) 2015, IBM Corporation 5 * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12 #ifndef _ASM_POWERPC_MM_ARCH_HOOKS_H 13 #define _ASM_POWERPC_MM_ARCH_HOOKS_H 14 arch_remap(struct mm_struct * mm,unsigned long old_start,unsigned long old_end,unsigned long new_start,unsigned long new_end)15static inline void arch_remap(struct mm_struct *mm, 16 unsigned long old_start, unsigned long old_end, 17 unsigned long new_start, unsigned long new_end) 18 { 19 /* 20 * mremap() doesn't allow moving multiple vmas so we can limit the 21 * check to old_start == vdso_base. 22 */ 23 if (old_start == mm->context.vdso_base) 24 mm->context.vdso_base = new_start; 25 } 26 #define arch_remap arch_remap 27 28 #endif /* _ASM_POWERPC_MM_ARCH_HOOKS_H */ 29