arm64/mm: Change BUG_ON() to VM_BUG_ON() in [pmd|pud]_set_huge()
authorAnshuman Khandual <anshuman.khandual@arm.com>
Mon, 27 May 2019 07:03:29 +0000 (12:33 +0530)
committerCatalin Marinas <catalin.marinas@arm.com>
Tue, 4 Jun 2019 13:53:18 +0000 (14:53 +0100)
There are no callers for the functions which will pass unaligned physical
addresses. Hence just change these BUG_ON() checks into VM_BUG_ON() which
gets compiled out unless CONFIG_VM_DEBUG is enabled.

Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/mm/mmu.c

index 22c2e4f0768f042bf8b2e69acd2515350bd2f387..69e65b6585e688a97b14d331bb586d4e597d1205 100644 (file)
@@ -978,7 +978,7 @@ int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot)
                                   pud_val(new_pud)))
                return 0;
 
-       BUG_ON(phys & ~PUD_MASK);
+       VM_BUG_ON(phys & ~PUD_MASK);
        set_pud(pudp, new_pud);
        return 1;
 }
@@ -992,7 +992,7 @@ int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot)
                                   pmd_val(new_pmd)))
                return 0;
 
-       BUG_ON(phys & ~PMD_MASK);
+       VM_BUG_ON(phys & ~PMD_MASK);
        set_pmd(pmdp, new_pmd);
        return 1;
 }