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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>
Wed, 20 Oct 2021 19:22:33 +0000 (15:22 -0400)
commit447c91042a24884c4bc7c516a8847fe62cea6508
treeff304247c03a8112758fdc5d1e060bc212133f94tree
parent8428f742384eb3faa9429297f6aa18740cceaa36commit | 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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