linux-kernel - [PATCH 1/6] x86, mm: remove second argument of split_mem

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Message-Id: <20190212021215.13247-2-richardw.yang@linux.intel.com>
Date:   Tue, 12 Feb 2019 10:12:10 +0800
From:   Wei Yang <richardw.yang@...ux.intel.com>
To:     x86@...nel.org, linux-kernel@...r.kernel.org
Cc:     dave.hansen@...ux.intel.com, luto@...nel.org, peterz@...radead.or,
        tglx@...utronix.de, Wei Yang <richardw.yang@...ux.intel.com>
Subject: [PATCH 1/6] x86, mm: remove second argument of split_mem_range()

The second argument is always zero.

Signed-off-by: Wei Yang <richardw.yang@...ux.intel.com>
---
 arch/x86/mm/init.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index ef99f3892e1f..1b980b70911a 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -330,13 +330,13 @@ static const char *page_size_string(struct map_range *mr)
 	return str_4k;
 }
 
-static int __meminit split_mem_range(struct map_range *mr, int nr_range,
+static int __meminit split_mem_range(struct map_range *mr,
 				     unsigned long start,
 				     unsigned long end)
 {
 	unsigned long start_pfn, end_pfn, limit_pfn;
 	unsigned long pfn;
-	int i;
+	int i, nr_range = 0;
 
 	limit_pfn = PFN_DOWN(end);
 
@@ -474,7 +474,7 @@ unsigned long __ref init_memory_mapping(unsigned long start,
 	       start, end - 1);
 
 	memset(mr, 0, sizeof(mr));
-	nr_range = split_mem_range(mr, 0, start, end);
+	nr_range = split_mem_range(mr, start, end);
 
 	for (i = 0; i < nr_range; i++)
 		ret = kernel_physical_mapping_init(mr[i].start, mr[i].end,
-- 
2.19.1