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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2015-01-14 17:51:17 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2015-01-22 12:15:59 +0100
commit1f6b83e5e4d3aed46eac1d219322fba9c7341cd8 (patch)
treea7839cd769ec8637746d5e20a7eb7117373caaf0 /arch/s390/include/asm/topology.h
parentf8b2dcbd9e6d1479b9b5a9e9e78bbaf783bde819 (diff)
downloadlinux-1f6b83e5e4d3aed46eac1d219322fba9c7341cd8.tar.gz
s390: avoid z13 cache aliasing
Avoid cache aliasing on z13 by aligning shared objects to multiples of 512K. The virtual addresses of a page from a shared file needs to have identical bits in the range 2^12 to 2^18. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/topology.h')
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