powerpc/mm/hash: Convert mask to unsigned long

kvaneesh · mpe · commit 59248aecc4ae · 2017-03-31T23:10:00.000+11:00
This doesn't have any functional change. But helps in avoiding mistakes
in case the shift bit changes

Signed-off-by: Aneesh Kumar K.V &lt;aneesh.kumar@linux.vnet.ibm.com&gt;
Signed-off-by: Michael Ellerman &lt;mpe@ellerman.id.au&gt;
diff --git a/arch/powerpc/include/asm/book3s/64/mmu-hash.h b/arch/powerpc/include/asm/book3s/64/mmu-hash.h
@@ -409,7 +409,7 @@ static inline unsigned long hpt_vpn(unsigned long ea,
 static inline unsigned long hpt_hash(unsigned long vpn,
 				     unsigned int shift, int ssize)
 {
-	int mask;
+	unsigned long mask;
 	unsigned long hash, vsid;
 
 	/* VPN_SHIFT can be atmost 12 */

Original file line number	Diff line number	Diff line change
`@@ -409,7 +409,7 @@ static inline unsigned long hpt_vpn(unsigned long ea,`
`409`	`409`	`static inline unsigned long hpt_hash(unsigned long vpn,`
`410`	`410`	`unsigned int shift, int ssize)`
`411`	`411`	`{`
`412`		`- int mask;`
	`412`	`+ unsigned long mask;`
`413`	`413`	`unsigned long hash, vsid;`
`414`	`414`
`415`	`415`	`/* VPN_SHIFT can be atmost 12 */`