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[POWERPC] Fix mem= handling when the memory limit is > RMO size

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There's a bug in my cleaned up mem= handling, if the memory limit is
larger than the RMO size we'll erroneously enlarge the RMO size.

Fix is to only change the RMO size if the memory limit is less than
the current RMO value.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Michael Ellerman 2006-07-04 17:13:23 +10:00 committed by Paul Mackerras
parent 98c82472e9
commit 30f30e1305
1 changed files with 2 additions and 1 deletions
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3
arch/powerpc/mm/lmb.c
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@ -320,7 +320,8 @@ void __init lmb_enforce_memory_limit(unsigned long memory_limit)
break;
}
lmb.rmo_size = lmb.memory.region[0].size;
if (lmb.memory.region[0].size < lmb.rmo_size)
lmb.rmo_size = lmb.memory.region[0].size;
/* And truncate any reserves above the limit also. */
for (i = 0; i < lmb.reserved.cnt; i++) {