linux-kernel - Re: Linux 6.11-rc1

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Message-ID: <CAHk-=whB1Y6xpfuJ4oT3==Z=gxLirrXxZcSX4HLOfiozi_BmDw@mail.gmail.com>
Date: Wed, 31 Jul 2024 14:41:58 -0700
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>, Guenter Roeck <linux@...ck-us.net>, Jens Axboe <axboe@...nel.dk>, 
	Andy Lutomirski <luto@...nel.org>, Ingo Molnar <mingo@...hat.com>, Peter Anvin <hpa@...or.com>, 
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, "the arch/x86 maintainers" <x86@...nel.org>
Subject: Re: Linux 6.11-rc1

On Wed, 31 Jul 2024 at 14:26, Peter Zijlstra <peterz@...radead.org> wrote:
>
> x86_64 has everything PMD aligned. It *should* never encounter a PTE.

Ahh. I thought it only aligned the beginning, but yeah, I see that
ALIGN_ENTRY_TEXT_END is also PMD_SIZE aligned.

That smells of wasted memory, but I guess the TLB advantage is worth it.

         Linus