>-Original Message-
>From: David Rientjes [mailto:rient...@google.com]
>Sent: Friday, December 28, 2012 6:39 AM
>To: Liu Hui-R64343
>Cc: Mel Gorman; linux-kernel@vger.kernel.org
>Subject: Re: echo 1 > /proc/sys/vm/compact_memory -> sh: write error: Bad
>address
On Thu, 27 Dec 2012, Liu Hui-R64343 wrote:
> diff --git a/mm/compaction.c b/mm/compaction.c
> index c4bc5ac..d3cb27f 100644
> --- a/mm/compaction.c
> +++ b/mm/compaction.c
> @@ -732,8 +732,10 @@ int sysctl_compact_memory;
> int sysctl_compaction_handler(struct ctl_table *table, int write,
>
I met one error when does the following command:
sh/$ echo 1 > /proc/sys/vm/compact_memory
sh/$ sh: write error: Bad address
After using strace, I find the following:
...
write(1, "1\n", 2) = 3
write(1, "", 4294967295)= -1 EFAULT (Bad address)
I met one error when does the following command:
sh/$ echo 1 /proc/sys/vm/compact_memory
sh/$ sh: write error: Bad address
After using strace, I find the following:
...
write(1, 1\n, 2) = 3
write(1, , 4294967295)= -1 EFAULT (Bad address)
write(2,
On Thu, 27 Dec 2012, Liu Hui-R64343 wrote:
diff --git a/mm/compaction.c b/mm/compaction.c
index c4bc5ac..d3cb27f 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -732,8 +732,10 @@ int sysctl_compact_memory;
int sysctl_compaction_handler(struct ctl_table *table, int write,
-Original Message-
From: David Rientjes [mailto:rient...@google.com]
Sent: Friday, December 28, 2012 6:39 AM
To: Liu Hui-R64343
Cc: Mel Gorman; linux-kernel@vger.kernel.org
Subject: Re: echo 1 /proc/sys/vm/compact_memory - sh: write error: Bad
address
On Thu, 27 Dec 2012, Liu Hui-R64343
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