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[S390] vmemmap: fix off-by-one bug.
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Tue, 10 Jun 2008 08:03:20 +0000 (10:03 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 10 Jun 2008 08:03:27 +0000 (10:03 +0200)
commitee0ddadd086e25503f81be551c43f66472300acd
tree0f1606c133835abd3952af30efcee03230182139tree | snapshot (tar.gz zip)
parent12829126aa47758608578cc5be3a5adffc3d4b09commit | diff
[S390] vmemmap: fix off-by-one bug.

If a memory range is supposed to be added to the 1:1 mapping and it
ends just below the maximum supported physical address it won't
succeed. This is because a test doesn't consider that the end address
is 1 smaller than start + size.
Fix the comparison.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/mm/vmem.c diff | blob | blame | history