diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-12-18 17:07:58 +0300 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2021-02-12 23:27:43 +0300 |
| commit | 731ecea3e5495aa6bd3cb8587f5267cf5e4220e2 (patch) | |
| tree | ff4669f2ecdaf3c610c96239e6e0101014d3af15 | |
| parent | 3a5f4154741f9e0a6fad06020d07533b76e0057e (diff) | |
| download | linux-731ecea3e5495aa6bd3cb8587f5267cf5e4220e2.tar.xz | |
mm: Remove arch_remap() and mm-arch-hooks.h
powerpc was the last provider of arch_remap() and the last
user of mm-arch-hooks.h.
Since commit 526a9c4a7234 ("powerpc/vdso: Provide vdso_remap()"),
arch_remap() hence mm-arch-hooks.h are not used anymore.
Remove them.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Richard Weinberger <richard@nod.at>
| -rw-r--r-- | arch/um/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | include/asm-generic/Kbuild | 1 | ||||
| -rw-r--r-- | include/asm-generic/mm-arch-hooks.h | 16 | ||||
| -rw-r--r-- | include/linux/mm-arch-hooks.h | 22 | ||||
| -rw-r--r-- | mm/mremap.c | 3 |
5 files changed, 0 insertions, 43 deletions
diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild index 1c63b260ecc4..314979467db1 100644 --- a/arch/um/include/asm/Kbuild +++ b/arch/um/include/asm/Kbuild @@ -14,7 +14,6 @@ generic-y += irq_regs.h generic-y += irq_work.h generic-y += kdebug.h generic-y += mcs_spinlock.h -generic-y += mm-arch-hooks.h generic-y += mmiowb.h generic-y += module.lds.h generic-y += param.h diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild index 267f6dfb8960..7282c0f50c85 100644 --- a/include/asm-generic/Kbuild +++ b/include/asm-generic/Kbuild @@ -35,7 +35,6 @@ mandatory-y += kprobes.h mandatory-y += linkage.h mandatory-y += local.h mandatory-y += local64.h -mandatory-y += mm-arch-hooks.h mandatory-y += mmiowb.h mandatory-y += mmu.h mandatory-y += mmu_context.h diff --git a/include/asm-generic/mm-arch-hooks.h b/include/asm-generic/mm-arch-hooks.h deleted file mode 100644 index 5ff0e5193f85..000000000000 --- a/include/asm-generic/mm-arch-hooks.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * Architecture specific mm hooks - */ - -#ifndef _ASM_GENERIC_MM_ARCH_HOOKS_H -#define _ASM_GENERIC_MM_ARCH_HOOKS_H - -/* - * This file should be included through arch/../include/asm/Kbuild for - * the architecture which doesn't need specific mm hooks. - * - * In that case, the generic hooks defined in include/linux/mm-arch-hooks.h - * are used. - */ - -#endif /* _ASM_GENERIC_MM_ARCH_HOOKS_H */ diff --git a/include/linux/mm-arch-hooks.h b/include/linux/mm-arch-hooks.h deleted file mode 100644 index 9c4bedc95504..000000000000 --- a/include/linux/mm-arch-hooks.h +++ /dev/null @@ -1,22 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Generic mm no-op hooks. - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - */ -#ifndef _LINUX_MM_ARCH_HOOKS_H -#define _LINUX_MM_ARCH_HOOKS_H - -#include <asm/mm-arch-hooks.h> - -#ifndef arch_remap -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) -{ -} -#define arch_remap arch_remap -#endif - -#endif /* _LINUX_MM_ARCH_HOOKS_H */ diff --git a/mm/mremap.c b/mm/mremap.c index f554320281cc..a488eb3d1447 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -22,7 +22,6 @@ #include <linux/syscalls.h> #include <linux/mmu_notifier.h> #include <linux/uaccess.h> -#include <linux/mm-arch-hooks.h> #include <linux/userfaultfd_k.h> #include <asm/cacheflush.h> @@ -562,8 +561,6 @@ static unsigned long move_vma(struct vm_area_struct *vma, new_addr = err; } else { mremap_userfaultfd_prep(new_vma, uf); - arch_remap(mm, old_addr, old_addr + old_len, - new_addr, new_addr + new_len); } /* Conceal VM_ACCOUNT so old reservation is not undone */ |