diff options
| author | Liam R. Howlett <Liam.Howlett@Oracle.com> | 2022-09-06 19:48:49 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-09-26 19:46:16 -0700 |
| commit | 7ccf089b262be2c7f2cdc6c08412a1939a812102 (patch) | |
| tree | de2ce896efffc76006e50ad3bcb7619886111616 /kernel/fork.c | |
| parent | 3b0e81a1cdc9afbddb0543d08e38edb4e33c4baf (diff) | |
xen: use vma_lookup() in privcmd_ioctl_mmap()
vma_lookup() walks the VMA tree for a specific value, find_vma() will
search the tree after walking to a specific value. It is more efficient
to only walk to the requested value since privcmd_ioctl_mmap() will exit
the loop if vm_start != msg->va.
Link: https://lkml.kernel.org/r/20220906194824.2110408-20-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: Yu Zhao <yuzhao@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'kernel/fork.c')
0 files changed, 0 insertions, 0 deletions