]> www.infradead.org Git - users/jedix/linux-maple.git/commit
xen: Use vma_lookup() in privcmd_ioctl_mmap()
authorLiam R. Howlett <Liam.Howlett@Oracle.com>
Thu, 8 Apr 2021 20:06:36 +0000 (16:06 -0400)
committerLiam R. Howlett <Liam.Howlett@oracle.com>
Fri, 11 Feb 2022 03:38:06 +0000 (22:38 -0500)
commit9f0906b9190b9d3a55cf3f4d24bb01aa1aece74e
treeabbce9e13f639dd2773c1d1c4c7d3b608d793294
parent5b1a9e9b7226f537db053a974f9a0595d12cf7fd
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.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
drivers/xen/privcmd.c