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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>
Mon, 14 Mar 2022 18:49:44 +0000 (14:49 -0400)
commit990955724818130287462420d4f8e77527abbf46
tree7f5250952a123e992d182501dbbcbd528ec79bc2tree
parent5faa0b06bad5522004d312e187ef769a12575e59commit | 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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