linux-kernel - [PATCH] arch: powerpc: mm: slice.c: Remove unused function

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Date:	Sun,  7 Dec 2014 19:10:46 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Michael Ellerman <mpe@...erman.id.au>,
	Michael Neuling <mikey@...ling.org>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Anton Blanchard <anton@...ba.org>,
	"jmarchan@...hat.com" <jmarchan@...hat.com>,
	Ian Munsie <imunsie@....ibm.com>,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH] arch: powerpc: mm: slice.c:  Remove unused function

Remove the function slice_set_psize() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 arch/powerpc/mm/slice.c |   29 -----------------------------
 1 file changed, 29 deletions(-)

diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
index ded0ea1..0f432a7 100644
--- a/arch/powerpc/mm/slice.c
+++ b/arch/powerpc/mm/slice.c
@@ -645,35 +645,6 @@ void slice_set_user_psize(struct mm_struct *mm, unsigned int psize)
 	spin_unlock_irqrestore(&slice_convert_lock, flags);
 }
 
-void slice_set_psize(struct mm_struct *mm, unsigned long address,
-		     unsigned int psize)
-{
-	unsigned char *hpsizes;
-	unsigned long i, flags;
-	u64 *lpsizes;
-
-	spin_lock_irqsave(&slice_convert_lock, flags);
-	if (address < SLICE_LOW_TOP) {
-		i = GET_LOW_SLICE_INDEX(address);
-		lpsizes = &mm->context.low_slices_psize;
-		*lpsizes = (*lpsizes & ~(0xful << (i * 4))) |
-			((unsigned long) psize << (i * 4));
-	} else {
-		int index, mask_index;
-		i = GET_HIGH_SLICE_INDEX(address);
-		hpsizes = mm->context.high_slices_psize;
-		mask_index = i & 0x1;
-		index = i >> 1;
-		hpsizes[index] = (hpsizes[index] &
-				  ~(0xf << (mask_index * 4))) |
-			(((unsigned long)psize) << (mask_index * 4));
-	}
-
-	spin_unlock_irqrestore(&slice_convert_lock, flags);
-
-	copro_flush_all_slbs(mm);
-}
-
 void slice_set_range_psize(struct mm_struct *mm, unsigned long start,
 			   unsigned long len, unsigned int psize)
 {
-- 
1.7.10.4

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