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: c5710cd20735 ("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>

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 98db5ec6a1ddf1a05c22dfa4766a49db4cc07c92..c5c9ff2d7afcb22e073215afab84060d8c52cfe2 100644 (file)
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -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;