Re: [PATCH] x86/mm: Pre-allocate p4d/pud pages for vmalloc area

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To: Joerg Roedel <jroedel@xxxxxxx>
Subject: Re: [PATCH] x86/mm: Pre-allocate p4d/pud pages for vmalloc area
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Fri, 26 Jun 2020 13:31:01 +0200
Cc: Joerg Roedel <joro@xxxxxxxxxx>, x86@xxxxxxxxxx, hpa@xxxxxxxxx, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
In-reply-to: <20200626111711.GO14101@suse.de>
References: <20200626093450.27741-1-joro@8bytes.org> <20200626110731.GC4817@hirez.programming.kicks-ass.net> <20200626111711.GO14101@suse.de>

On Fri, Jun 26, 2020 at 01:17:11PM +0200, Joerg Roedel wrote:
> On Fri, Jun 26, 2020 at 01:07:31PM +0200, Peter Zijlstra wrote:
> > Can't we now remove arch_sync_kernel_mappings() from this same file?
> 
> Only if we panic on allocation failure.

I think we do that in plenty places already, so sure ;-)

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- [PATCH] x86/mm: Pre-allocate p4d/pud pages for vmalloc area
  - From: Joerg Roedel
- Re: [PATCH] x86/mm: Pre-allocate p4d/pud pages for vmalloc area
  - From: Peter Zijlstra
- Re: [PATCH] x86/mm: Pre-allocate p4d/pud pages for vmalloc area
  - From: Joerg Roedel

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