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[S390] memory detection: stop at first memory hole.

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If both sclp and diag memory detection don't work stop at the first
memory hole. Otherwise the code might loop forever...

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Heiko Carstens 2007-04-27 16:01:04 +02:00 committed by Martin Schwidefsky
parent de46c33745
commit 29c380f5f0
1 changed files with 3 additions and 4 deletions
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7
arch/s390/kernel/early.c
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@ -253,11 +253,10 @@ static noinline __init void find_memory_chunks(unsigned long memsize)
break;
#endif
/*
* Finish memory detection at the first hole, unless
* - we reached the hsa -> skip it.
* - we know there must be more.
* Finish memory detection at the first hole
* if storage size is unknown.
*/
if (cc == -1UL && !memsize && old_addr != ADDR2G)
if (cc == -1UL && !memsize)
break;
if (memsize && addr >= memsize)
break;