diff options
| 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 /mm/mmap.c | |
| parent | 5463bafab476e430a385c6be58249a49b7549629 (diff) | |
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 'mm/mmap.c')
| -rw-r--r-- | mm/mmap.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 933fdc1491a7..3af256bacef3 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1743,14 +1743,12 @@ int do_vma_munmap(struct vma_iterator *vmi, struct vm_area_struct *vma, struct mm_struct *mm = vma->vm_mm; /* - * Check if memory is sealed before arch_unmap. - * Prevent unmapping a sealed VMA. + * Check if memory is sealed, prevent unmapping a sealed VMA. * can_modify_mm assumes we have acquired the lock on MM. */ if (unlikely(!can_modify_mm(mm, start, end))) return -EPERM; - arch_unmap(mm, start, end); return do_vmi_align_munmap(vmi, vma, mm, start, end, uf, unlock); } |