From: Dave Hansen <dave.hansen@intel.com>
To: Lorenzo Stoakes <lstoakes@gmail.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H . Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86/mm: increase pgt_buf size for 5-level page tables
Date: Wed, 16 Dec 2020 10:04:16 -0800 [thread overview]
Message-ID: <13deefab-de94-4e68-67f8-e03f99bcb115@intel.com> (raw)
In-Reply-To: <20201215205641.34096-1-lstoakes@gmail.com>
On 12/15/20 12:56 PM, Lorenzo Stoakes wrote:
> +#ifndef CONFIG_X86_5LEVEL
> +#define INIT_PGD_PAGE_TABLES 3
> +#else
> +#define INIT_PGD_PAGE_TABLES 4
> +#endif
> +
> #ifndef CONFIG_RANDOMIZE_MEMORY
> -#define INIT_PGD_PAGE_COUNT 6
> +#define INIT_PGD_PAGE_COUNT (2 * INIT_PGD_PAGE_TABLES)
> #else
> -#define INIT_PGD_PAGE_COUNT 12
> +#define INIT_PGD_PAGE_COUNT (4 * INIT_PGD_PAGE_TABLES)
> #endif
> +
Lorenzo, thanks for the patch. That was a very nice changelog, and it
all seems sane to me, especially with Kirill's ack.
Acked-by: Dave Hansen <dave.hansen@intel.com>
next prev parent reply other threads:[~2020-12-16 18:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-15 20:56 [PATCH] x86/mm: increase pgt_buf size for 5-level page tables Lorenzo Stoakes
2020-12-16 10:56 ` Kirill A. Shutemov
2020-12-16 18:04 ` Dave Hansen [this message]
2021-01-04 14:52 ` Lorenzo Stoakes
2021-01-04 18:29 ` [tip: x86/mm] x86/mm: Increase " tip-bot2 for Lorenzo Stoakes
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