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author | Michael Ellerman <mpe@ellerman.id.au> | 2024-08-12 18:26:04 +1000 |
---|---|---|
committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-01 20:26:13 -0700 |
commit | 40b88644dd92d99e572063893c2a247598c238d6 (patch) | |
tree | 54eaf4db90a4e9e1d1211a7cca73ce22b62f8523 /include/asm-generic | |
parent | 5463bafab476e430a385c6be58249a49b7549629 (diff) | |
download | lwn-40b88644dd92d99e572063893c2a247598c238d6.tar.gz lwn-40b88644dd92d99e572063893c2a247598c238d6.zip |
mm: remove arch_unmap()
Now that powerpc no longer uses arch_unmap() to handle VDSO unmapping,
there are no meaningful implementions left. Drop support for it entirely,
and update comments which refer to it.
Link: https://lkml.kernel.org/r/20240812082605.743814-3-mpe@ellerman.id.au
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Jeff Xu <jeffxu@google.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Pedro Falcato <pedro.falcato@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/asm-generic')
-rw-r--r-- | include/asm-generic/mm_hooks.h | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/include/asm-generic/mm_hooks.h b/include/asm-generic/mm_hooks.h index 4dbb177d1150..6eea3b3c1e65 100644 --- a/include/asm-generic/mm_hooks.h +++ b/include/asm-generic/mm_hooks.h @@ -1,8 +1,8 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * Define generic no-op hooks for arch_dup_mmap, arch_exit_mmap - * and arch_unmap to be included in asm-FOO/mmu_context.h for any - * arch FOO which doesn't need to hook these. + * Define generic no-op hooks for arch_dup_mmap and arch_exit_mmap + * to be included in asm-FOO/mmu_context.h for any arch FOO which + * doesn't need to hook these. */ #ifndef _ASM_GENERIC_MM_HOOKS_H #define _ASM_GENERIC_MM_HOOKS_H @@ -17,11 +17,6 @@ static inline void arch_exit_mmap(struct mm_struct *mm) { } -static inline void arch_unmap(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ -} - static inline bool arch_vma_access_permitted(struct vm_area_struct *vma, bool write, bool execute, bool foreign) { |