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powerpc/hugetlb/cma: Allocate gigantic hugetlb pages using CMA

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commit: cf11e85fc0 ("mm: hugetlb: optionally allocate gigantic hugepages using cma")
added support for allocating gigantic hugepages using CMA. This patch
enables the same for powerpc

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200713150749.25245-1-aneesh.kumar@linux.ibm.com
This commit is contained in:
Aneesh Kumar K.V
2020-07-13 20:37:48 +05:30
committed by Michael Ellerman
parent 81a413259a
commit ef26b76d1a
3 changed files with 28 additions and 0 deletions
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3
arch/powerpc/kernel/setup-common.c
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@@ -928,6 +928,9 @@ void __init setup_arch(char **cmdline_p)
/* Reserve large chunks of memory for use by CMA for KVM. */
kvm_cma_reserve();
/* Reserve large chunks of memory for us by CMA for hugetlb */
gigantic_hugetlb_cma_reserve();
klp_init_thread_info(&init_task);
init_mm.start_code = (unsigned long)_stext;