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| author | Dominik Dingel | 2015-07-18 01:23:39 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2015-07-18 01:39:52 +0200 |
| commit | 7f9be77555bb2e52de84e9dddf7b4eb20cc6e171 (patch) | |
| tree | 2d096255acd6bd7c08b6a68e5253c227d76764d9 /lib/kobject.c | |
| parent | mm: hugetlb: allow hugepages_supported to be architecture specific (diff) | |
| download | kernel-qcow2-linux-7f9be77555bb2e52de84e9dddf7b4eb20cc6e171.tar.gz kernel-qcow2-linux-7f9be77555bb2e52de84e9dddf7b4eb20cc6e171.tar.xz kernel-qcow2-linux-7f9be77555bb2e52de84e9dddf7b4eb20cc6e171.zip | |
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>
Diffstat (limited to 'lib/kobject.c')
0 files changed, 0 insertions, 0 deletions