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From: Wei Yang <richardw.yang@linux.intel.com>
To: x86@kernel.org, linux-kernel@vger.kernel.org
Cc: dave.hansen@linux.intel.com, luto@kernel.org,
	peterz@infradead.or, tglx@linutronix.de,
	Wei Yang <richardw.yang@linux.intel.com>
Subject: [PATCH 1/6] x86, mm: remove second argument of split_mem_range()
Date: Tue, 12 Feb 2019 10:12:10 +0800	[thread overview]
Message-ID: <20190212021215.13247-2-richardw.yang@linux.intel.com> (raw)
In-Reply-To: <20190212021215.13247-1-richardw.yang@linux.intel.com>

The second argument is always zero.

Signed-off-by: Wei Yang <richardw.yang@linux.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


  reply	other threads:[~2019-02-12  2:12 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-12  2:12 [PATCH 0/6] x86, mm: refine split_mem_range a little Wei Yang
2019-02-12  2:12 ` Wei Yang [this message]
2019-03-24 14:38   ` [PATCH 1/6] x86, mm: remove second argument of split_mem_range() Thomas Gleixner
2019-03-25  1:16     ` Wei Yang
2019-02-12  2:12 ` [PATCH 2/6] x86, mm: remove check in save_mr Wei Yang
2019-02-12  2:12 ` [PATCH 3/6] x86, mm: add comment for split_mem_range to help understanding Wei Yang
2019-02-12  2:12 ` [PATCH 4/6] x86, mm: make split_mem_range() more easy to read Wei Yang
2019-03-24 14:29   ` Thomas Gleixner
2019-03-27 22:05     ` Wei Yang
2019-03-28  0:16       ` Thomas Gleixner
2019-03-28  0:25         ` Wei Yang
2019-03-28  3:35     ` Wei Yang
2019-03-28  7:20     ` Wei Yang
2019-03-28  8:08       ` Thomas Gleixner
2019-03-29  3:38         ` Wei Yang
     [not found]     ` <20190328065117.GA6202@richard>
2019-03-28  8:02       ` Thomas Gleixner
2019-04-12  3:08     ` Wei Yang
2019-02-12  2:12 ` [PATCH 5/6] x86, mm: skip 1G range if the range doesn't span PUD Wei Yang
2019-02-12  2:12 ` [PATCH 6/6] x86, mm: x86, mm: jump to split only 4K range when range doesn't span PMD Wei Yang

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