linux-kernel - [PATCH v1 20/27] powerpc/mm: remove unnecessary #ifdef CONFIG

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Date:   Wed, 20 Mar 2019 10:06:56 +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 v1 20/27] powerpc/mm: remove unnecessary #ifdef CONFIG_PPC64

For PPC32 that's a noop, but gcc is smart enough ignore it.

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 arch/powerpc/mm/slice.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
index 99983dc4e484..f98b9e812c62 100644
--- a/arch/powerpc/mm/slice.c
+++ b/arch/powerpc/mm/slice.c
@@ -96,13 +96,11 @@ static int slice_high_has_vma(struct mm_struct *mm, unsigned long slice)
 	unsigned long start = slice << SLICE_HIGH_SHIFT;
 	unsigned long end = start + (1ul << SLICE_HIGH_SHIFT);
 
-#ifdef CONFIG_PPC64
 	/* Hack, so that each addresses is controlled by exactly one
 	 * of the high or low area bitmaps, the first high area starts
 	 * at 4GB, not 0 */
 	if (start == 0)
-		start = SLICE_LOW_TOP;
-#endif
+		start = (unsigned long)SLICE_LOW_TOP;
 
 	return !slice_area_is_free(mm, start, end - start);
 }
-- 
2.13.3