linux-stable-rt/arch
Heiko Carstens d57de5a367 [S390] Use diag260 for memory size detection.
Avoid the tprot loop if diag260 works and reports that there are no
holes in memory. The tprot instruction can lead to a significant delay
in the ipl process if the virtual guest has a lot of memory and the
host is under memory pressure.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:42 +01:00
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s390 [S390] Use diag260 for memory size detection. 2006-12-04 15:40:42 +01:00
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