linux-kernel - [PATCH v2 02/17] powerpc/mm: don't BUG in add_huge_page

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Message-Id: <f78719ab63fdb1dbc3a1df17dd0f7ee1cfb209cd.1556258135.git.christophe.leroy@c-s.fr>
Date:   Fri, 26 Apr 2019 05:59:37 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        aneesh.kumar@...ux.ibm.com
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v2 02/17] powerpc/mm: don't BUG in add_huge_page_size()

Use VM_BUG_ON() instead of BUG_ON(), as those BUG_ON()
are not there to catch runtime errors but to catch errors
during development cycle only.

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 arch/powerpc/mm/hugetlbpage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 9e732bb2c84a..6b9b6d747df3 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -634,7 +634,7 @@ static int __init add_huge_page_size(unsigned long long size)
 	}
 #endif
 
-	BUG_ON(mmu_psize_defs[mmu_psize].shift != shift);
+	VM_BUG_ON(mmu_psize_defs[mmu_psize].shift != shift);
 
 	/* Return if huge page size has already been setup */
 	if (size_to_hstate(size))
-- 
2.13.3