tree 1b663f1bba58f51b94bfc8372bea6d2c9295ec67
parent 5d6b1fa301b13cc651ee717a9b518124dea2f814
author Bjorn Helgaas <bjorn.helgaas@hp.com> 1288129283 -0600
committer Jesse Barnes <jbarnes@virtuousgeek.org> 1288132406 -0700

resources: ensure callback doesn't allocate outside available space

The alignment callback returns a proposed location, which may have been
adjusted to avoid ISA aliases or for other architecture-specific reasons.

We already had a check ("tmp.start < tmp.end") to make sure the callback
doesn't return an area that extends past the available area.  This patch
reworks the check to make sure it doesn't return an area that extends
either below or above the available area.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>