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authorDominik Dingel <dingel@linux.vnet.ibm.com>2015-07-18 02:23:39 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-07-18 02:39:52 +0300
commit7f9be77555bb2e52de84e9dddf7b4eb20cc6e171 (patch)
tree2d096255acd6bd7c08b6a68e5253c227d76764d9 /Documentation/kmemcheck.txt
parent2531c8cf56a640cd7d17057df8484e570716a450 (diff)
downloadlinux-7f9be77555bb2e52de84e9dddf7b4eb20cc6e171.tar.xz
s390/hugetlb: add hugepages_supported define
On s390 we only can enable hugepages if the underlying hardware/hypervisor also does support this. Common code now would assume this to be signaled by setting HPAGE_SHIFT to 0. But on s390, where we only support one hugepage size, there is a link between HPAGE_SHIFT and pageblock_order. So instead of setting HPAGE_SHIFT to 0, we will implement the check for the hardware capability. Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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