]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
mm/memory.c: use vma_lookup() in __access_remote_vm()
authorLiam Howlett <liam.howlett@oracle.com>
Tue, 29 Jun 2021 02:39:50 +0000 (19:39 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 29 Jun 2021 17:53:52 +0000 (10:53 -0700)
commit3e418f9888463a80d559498a523e582b59e5ff2d
tree4ec235fcb9ac8198d480965b2d0a9bd1a1e87d6c
parent5aaf07f0812adef788f9f08a73914148b5fdd40e
mm/memory.c: use vma_lookup() in __access_remote_vm()

Use vma_lookup() to find the VMA at a specific address.  As vma_lookup()
will return NULL if the address is not within any VMA, the start address
no longer needs to be validated.

Link: https://lkml.kernel.org/r/20210521174745.2219620-22-Liam.Howlett@Oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Reviewed-by: Laurent Dufour <ldufour@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Davidlohr Bueso <dbueso@suse.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/memory.c