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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>
Tue, 8 Mar 2022 18:19:10 +0000 (13:19 -0500)
commit7943cf38b223986879abdc99a9e12c545363ae08
tree49a86384edac999ea1451496020ddb84ab17ccddtree
parent37c52eebd32d3de19c37d31c32e52e0e662cb61dcommit | 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.

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