K 10
svn:author
V 6
cherry
K 8
svn:date
V 27
2013-04-01T10:45:35.406756Z
K 7
svn:log
V 250
Use memcchr(9) instead of homebrew (and slow) memrchr(3) (incorrectly
used here). This implements the current semantics of searching for
zero-ed out backing lower page table, before zapping its higher level
table entry.

Approved by: gibbs(implicit)

END