Re: [tip:x86/urgent] x86/mm/KASLR: Compute the size of the vmemmap section properly
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- Subject: Re: [tip:x86/urgent] x86/mm/KASLR: Compute the size of the vmemmap section properly
- From: Borislav Petkov <bp@xxxxxxx>
- Date: Sat, 8 Jun 2019 09:49:59 +0200
- Cc: tglx@xxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx, mingo@xxxxxxxxxx, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, peterz@xxxxxxxxxxxxx, keescook@xxxxxxxxxxxx, luto@xxxxxxxxxx, hpa@xxxxxxxxx, kirill@xxxxxxxxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, linux-tip-commits@xxxxxxxxxxxxxxx
- In-reply-to: <20190608021404.GA26148@MiWiFi-R3L-srv>
- References: <20190523025744.3756-1-bhe@redhat.com> <tip-00e5a2bbcc31d5fea853f8daeba0f06c1c88c3ff@git.kernel.org> <20190608021404.GA26148@MiWiFi-R3L-srv>
- User-agent: Mutt/1.10.1 (2018-07-13)
On Sat, Jun 08, 2019 at 10:14:04AM +0800, Baoquan He wrote:
> Here, 4PB = 4*2^50 = 4*1024^5, the vmemmap should be 64 TB, am I right?
PB is 1000^5 petabytes.
1024^5 is PiB or pebibytes.
https://en.wikipedia.org/wiki/Petabyte
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Mary Higgins, Sri Rasiah, HRB 21284 (AG Nürnberg)
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