tree af0294fc67a471ebf56404e456f2c344ef27345e
parent 240e99cbd00aa541b572480e3ea7ecb0d480bc79
author Christoffer Dall <christoffer.dall@linaro.org> 1375822254 -0700
committer Christoffer Dall <christoffer.dall@linaro.org> 1375924648 -0700

ARM: KVM: Fix unaligned unmap_range leak

The unmap_range function did not properly cover the case when the start
address was not aligned to PMD_SIZE or PUD_SIZE and an entire pte table
or pmd table was cleared, causing us to leak memory when incrementing
the addr.

The fix is to always move onto the next page table entry boundary
instead of adding the full size of the VA range covered by the
corresponding table level entry.

Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>