From: Valdis.Kletnieks@vt.edu (Valdis.Kletnieks at vt.edu)
To: kernelnewbies@lists.kernelnewbies.org
Subject: zap_low_mappings
Date: Thu, 07 Mar 2013 00:34:27 -0500 [thread overview]
Message-ID: <21409.1362634467@turing-police.cc.vt.edu> (raw)
In-Reply-To: Your message of "Thu, 07 Mar 2013 12:48:06 +0800." <20130307044806.GB17978@debian.localdomain>
On Thu, 07 Mar 2013 12:48:06 +0800, ishare said:
> because all the pde (0-768) are set to 0x0 ,so no phsical pages are mapping to these pde .
> isn't it?
The pdes don't end at 768. Think about what pde numbers the kernel gets when
it loads at 0xc0000000 (which is where it lands with the default 3G/1G split).
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next prev parent reply other threads:[~2013-03-07 5:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-07 2:33 zap_low_mappings ishare
2013-03-07 3:19 ` zap_low_mappings Valdis.Kletnieks at vt.edu
2013-03-07 3:43 ` zap_low_mappings ishare
2013-03-07 4:00 ` zap_low_mappings Valdis.Kletnieks at vt.edu
2013-03-07 4:48 ` zap_low_mappings ishare
2013-03-07 5:34 ` Valdis.Kletnieks at vt.edu [this message]
2013-03-07 11:50 ` zap_low_mappings ishare
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