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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /arch/powerpc/include/asm/mm-arch-hooks.h | |
| parent | Initial commit. (diff) | |
| download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip | |
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/include/asm/mm-arch-hooks.h')
| -rw-r--r-- | arch/powerpc/include/asm/mm-arch-hooks.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mm-arch-hooks.h b/arch/powerpc/include/asm/mm-arch-hooks.h new file mode 100644 index 000000000..dce274be8 --- /dev/null +++ b/arch/powerpc/include/asm/mm-arch-hooks.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Architecture specific mm hooks + * + * Copyright (C) 2015, IBM Corporation + * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> + */ + +#ifndef _ASM_POWERPC_MM_ARCH_HOOKS_H +#define _ASM_POWERPC_MM_ARCH_HOOKS_H + +static inline void arch_remap(struct mm_struct *mm, + unsigned long old_start, unsigned long old_end, + unsigned long new_start, unsigned long new_end) +{ + /* + * mremap() doesn't allow moving multiple vmas so we can limit the + * check to old_start == vdso_base. + */ + if (old_start == mm->context.vdso_base) + mm->context.vdso_base = new_start; +} +#define arch_remap arch_remap + +#endif /* _ASM_POWERPC_MM_ARCH_HOOKS_H */ |