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From: Tejun Heo <tj@kernel.org>
To: Gavin Shan <shangw@linux.vnet.ibm.com>
Cc: Sasha Levin <levinsasha928@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	David Miller <davem@davemloft.net>,
	hpa@linux.intel.com, linux-mm <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Early boot panic on machine with lots of memory
Date: Thu, 21 Jun 2012 13:19:35 -0700	[thread overview]
Message-ID: <20120621201935.GC4642@google.com> (raw)
In-Reply-To: <20120619212059.GJ32733@google.com>

Hello,

Sasha, can you please apply the following patch and verify that the
issue is gone?

Thanks.

diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index d23415c..4aa5e5d 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -111,9 +111,6 @@ unsigned long __init free_low_memory_core_early(int nodeid)
 	phys_addr_t start, end;
 	u64 i;
 
-	/* free reserved array temporarily so that it's treated as free area */
-	memblock_free_reserved_regions();
-
 	for_each_free_mem_range(i, MAX_NUMNODES, &start, &end, NULL) {
 		unsigned long start_pfn = PFN_UP(start);
 		unsigned long end_pfn = min_t(unsigned long,
@@ -124,8 +121,6 @@ unsigned long __init free_low_memory_core_early(int nodeid)
 		}
 	}
 
-	/* put region array back? */
-	memblock_reserve_reserved_regions();
 	return count;
 }
 

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  parent reply	other threads:[~2012-06-21 20:19 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-13 21:38 Sasha Levin
2012-06-14  3:20 ` Tejun Heo
2012-06-14  9:50   ` Sasha Levin
2012-06-14 20:56     ` Yinghai Lu
2012-06-14 21:34       ` Sasha Levin
2012-06-14 23:57         ` Yinghai Lu
2012-06-15  0:59           ` Sasha Levin
2012-06-15  2:21             ` Yinghai Lu
2012-06-15  7:41               ` Sasha Levin
2012-06-18 22:32     ` Tejun Heo
2012-06-18 22:50       ` Sasha Levin
2012-06-19  4:11         ` Gavin Shan
2012-06-19  5:43           ` Yinghai Lu
2012-06-19  6:09             ` Gavin Shan
2012-06-19 18:12               ` Yinghai Lu
2012-06-19 21:20           ` Tejun Heo
2012-06-19 21:26             ` Tejun Heo
2012-06-20  2:57               ` Yinghai Lu
2012-06-21 20:17                 ` Tejun Heo
2012-06-22  1:47                   ` Yinghai Lu
2012-06-22  1:58                     ` Yinghai Lu
2012-06-22 18:51                     ` Tejun Heo
2012-06-22 19:23                       ` Yinghai Lu
2012-06-22 19:29                         ` Tejun Heo
2012-06-22 20:01                           ` Yinghai Lu
2012-06-22 20:14                             ` Tejun Heo
2012-06-22 20:23                               ` Yinghai Lu
2012-06-23  2:14                           ` Yinghai Lu
2012-06-27 18:13                             ` Tejun Heo
2012-06-27 19:22                               ` Yinghai Lu
2012-06-27 19:26                                 ` Tejun Heo
2012-06-27 21:15                                   ` Yinghai Lu
2012-06-29 18:27                                     ` [PATCH for -3.5] memblock: free allocated memblock_reserved_regions later Yinghai Lu
2012-06-29 18:32                                       ` Tejun Heo
2012-06-29 18:38                                         ` Yinghai Lu
2012-06-21 20:19             ` Tejun Heo [this message]
2012-06-22 10:29               ` Early boot panic on machine with lots of memory Sasha Levin
2012-06-22 18:15                 ` Yinghai Lu

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