From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Thu, 19 Feb 2009 14:19:01 +0000 (+0100)
Subject: [S390] fix "mem=" handling in case of standby memory
X-Git-Tag: v2.6.29-rc6~38^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=23d75d9cadd79bc9fd6553857d57c679cf18d4cb;p=pandora-kernel.git

[S390] fix "mem=" handling in case of standby memory

Standby memory detected with the sclp interface gets always registered
with add_memory calls without considering the limitationt that the
"mem=" kernel paramater implies.
So fix this and only register standby memory that is below the specified
limit.
This fixes zfcpdump since it uses "mem=32M". In case there is appr.
2GB standby memory present all of usable memory would be used for the
struct pages needed for standby memory.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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