s390/mm: add support to allocate gigantic hugepages using CMA

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Commit cf11e85fc0 ("mm: hugetlb: optionally allocate gigantic hugepages
using cma") added support for allocating gigantic hugepages using CMA,
by specifying the hugetlb_cma= kernel parameter, which will disable any
boot-time allocation of gigantic hugepages.

This patch enables that option also for s390.

Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

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Gerald Schaefer 2020-12-08 19:47:15 +01:00 • committed by Heiko Carstens

parent ff98cc986a

commit 343dbdb7cb

1 changed files with 3 additions and 0 deletions

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arch/s390/kernel/setup.c

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