Re: [PATCH v1 07/20] ARC: mm: use generic macros _BITUL()

From: Vineet Gupta
Date: Mon Nov 02 2015 - 01:23:59 EST


On Saturday 31 October 2015 06:49 PM, Noam Camus wrote:
> From: Noam Camus <noamc@xxxxxxxxxx>
>
> PGDIR_SIZE() cannot use "1UL" since it is called from mm/tlbex.S
> by VMALLOC_START. _BITUL() solves this build error.
>
> Signed-off-by: Noam Camus <noamc@xxxxxxxxxx>
> ---
> arch/arc/include/asm/pgtable.h | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h
> index 57af2f0..372a282 100644
> --- a/arch/arc/include/asm/pgtable.h
> +++ b/arch/arc/include/asm/pgtable.h
> @@ -210,7 +210,7 @@
> #define BITS_FOR_PGD (32 - BITS_FOR_PTE - BITS_IN_PAGE)
>
> #define PGDIR_SHIFT (32 - BITS_FOR_PGD)
> -#define PGDIR_SIZE (1UL << PGDIR_SHIFT) /* vaddr span, not PDG sz */
> +#define PGDIR_SIZE _BITUL(PGDIR_SHIFT) /* vaddr span, not PDG sz */
> #define PGDIR_MASK (~(PGDIR_SIZE-1))
>
> #define PTRS_PER_PTE _BITUL(BITS_FOR_PTE)

For bisectability, please squash this with patch 4/20, and append the changelog of
this patch to 4/20

-Vineet

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