Commit 04a19429 authored May 06, 2019 by Sachin Sant Committed by Michael Ellerman May 06, 2019

powerpc/mm: Fix hugetlb page initialization



This patch fixes a regression by using correct kernel config variable
for HUGETLB_PAGE_SIZE_VARIABLE.

Without this huge pages are disabled during kernel boot.
[0.309496] hugetlbfs: disabling because there are no supported hugepage sizes

Fixes: c5710cd2 ("powerpc/mm: cleanup HPAGE_SHIFT setup")
Reported-by: Sachin Sant <sachinp@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Tested-by: Sachin Sant <sachinp@linux.ibm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent 6be6a8de

arch/powerpc/mm/hugetlbpage.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -640,7 +640,7 @@ static int __init hugetlbpage_init(void)
		pgtable_cache_add(PTE_T_ORDER);
		}

		if (IS_ENABLED(HUGETLB_PAGE_SIZE_VARIABLE))
		if (IS_ENABLED(CONFIG_HUGETLB_PAGE_SIZE_VARIABLE))
		hugetlbpage_init_default();

		return 0;

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