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xen/privcmd: Optimized privcmd_ioctl_mmap() by using vma_lookup()
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, 1 Oct 2021 16:41:53 +0000 (12:41 -0400)
commit08e21221457ef806eb5d7b7f2cd1cafc54bdf1b7
tree9d0a3c22b109cf97753fc3d9230316b0d8e7d6detree
parent0da860625a5d3091914cca969646bbf9f4462ffbcommit | diff
xen/privcmd: Optimized privcmd_ioctl_mmap() by using vma_lookup()

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 as this case requires the address to
equal the vm_start.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
drivers/xen/privcmd.c diff | blob | history
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