From: "Laszlo Ersek" <lersek@redhat.com>
To: devel@edk2.groups.io, tigerliu@zhaoxin.com
Subject: Re: [edk2-devel] [edk2] DxeIpl : create page table, occupied too much memory range
Date: Tue, 17 Sep 2019 14:06:45 +0200 [thread overview]
Message-ID: <2aca1445-6688-cb20-c0e3-938a4c4acd38@redhat.com> (raw)
In-Reply-To: <5eabf2c9104644ba955a4c3a4de983dc@zhaoxin.com>
On 09/17/19 13:08, Tiger Liu(BJ-RD) wrote:
> Hi, Expert:
> I have a question about creating page table.
> If a CPU support 48bit physical address line, then creating page tables(Page size=2MB) will occupy too much memory region.
>
> Now, developer could only use PcdUse1GPageTable to avoid occupy too much memory region?
Not only. See <https://bugzilla.tianocore.org/show_bug.cgi?id=2008>.
Thanks
Laszlo
next prev parent reply other threads:[~2019-09-17 12:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-17 11:08 [edk2] DxeIpl : create page table, occupied too much memory range Tiger Liu(BJ-RD)
2019-09-17 12:06 ` Laszlo Ersek [this message]
2019-09-18 10:50 ` 答复: [edk2-devel] " Tiger Liu(BJ-RD)
2019-09-18 17:10 ` Andrew Fish
2019-09-19 7:43 ` 答复: " Tiger Liu(BJ-RD)
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