thanks very much.
在 Wed, 18 Jul 2012 14:51:09 +0800，Corrado Zoccolo
写道:
On Sun, Jul 15, 2012 at 9:08 AM, gaoqiang wrote:
many thanks. but why the sys_read operation hangs on sync_page ? there
are
still
many free memory.I mean ,the actually free memory,excluding the various
kinds of
ca
On Sun, Jul 15, 2012 at 9:08 AM, gaoqiang wrote:
>
> many thanks. but why the sys_read operation hangs on sync_page ? there are
> still
> many free memory.I mean ,the actually free memory,excluding the various
> kinds of
> caches or buffers.
http://kerneltrap.org/node/4941 explains sync_page:
>
>
many thanks. but why the sys_read operation hangs on sync_page ? there are
still
many free memory.I mean ,the actually free memory,excluding the various
kinds of
caches or buffers.
在 Fri, 13 Jul 2012 22:15:31 +0800，Corrado Zoccolo
写道:
Hi,
the catch is that writes are "fire and forget",
