[openib-general] [PATCH 1 of 5] IB/mthca: fix off-by-one in FMR handling on memfree

[Roland Dreier]

 > There is a chance that this is the core of the 32-bit OS on 64-bit
 > platforms bug we had.
 > I run a certain test (copy 1G size file to the SRP disk) with and
 > without this patch.
 > With the patch I got a panic, and without it the test passed.

It's good to hear that this patch fixes the bug.  However I wonder why
I never got a bug report for this problem.  And I also wonder why this
bug would only affect 32-bit OS on a 64-bit platform....