Martin Schwidefsky 238ec4efee [S390] zero page cache synonyms ... If the zero page is mapped to virtual user space addresses that differ only in bit 2^12 or 2^13 we get L1 cache synonyms which can affect performance. Follow the mips model and use multiple zero pages to avoid the synonyms. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>		2010-10-25 16:10:14 +02:00
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asm	[S390] zero page cache synonyms	2010-10-25 16:10:14 +02:00