From: Borislav Petkov <bp@alien8.de>
To: Hamza Mahfooz <hamzamahfooz@linux.microsoft.com>
Cc: x86@kernel.org, Thomas Gleixner <tglx@kernel.org>,
Ingo Molnar <mingo@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Ard Biesheuvel <ardb@kernel.org>,
Nathan Chancellor <nathan@kernel.org>,
linux-kernel@vger.kernel.org,
Jared White <jaredwhite@microsoft.com>
Subject: Re: [PATCH v2 2/2] x86/mm/64: free the gap between BSS_MAIN and BSS_DECRYPTED
Date: Thu, 9 Jul 2026 15:36:35 -0700 [thread overview]
Message-ID: <20260709223635.GDalAic9FJDPeuPtpy@fat_crate.local> (raw)
In-Reply-To: <20260623152430.1473481-2-hamzamahfooz@linux.microsoft.com>
On Tue, Jun 23, 2026 at 11:24:30AM -0400, Hamza Mahfooz wrote:
> This region is unused after mark_rodata_ro() and takes up, up to 2 MiB
> of memory. So, free it in mark_rodata_ro().
>
> Co-developed-by: Jared White <jaredwhite@microsoft.com>
> Signed-off-by: Jared White <jaredwhite@microsoft.com>
> Signed-off-by: Hamza Mahfooz <hamzamahfooz@linux.microsoft.com>
> ---
> arch/x86/include/asm/sections.h | 1 +
> arch/x86/kernel/vmlinux.lds.S | 2 ++
> arch/x86/mm/init_64.c | 4 ++++
> 3 files changed, 7 insertions(+)
Sashiko has comments:
https://sashiko.dev/#/patchset/20260623152430.1473481-1-hamzamahfooz%40linux.microsoft.com
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2026-07-09 22:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-23 15:24 [PATCH v2 1/2] x86/build: only align ENTRY_TEXT to PMD_SIZE if necessary Hamza Mahfooz
2026-06-23 15:24 ` [PATCH v2 2/2] x86/mm/64: free the gap between BSS_MAIN and BSS_DECRYPTED Hamza Mahfooz
2026-07-09 22:36 ` Borislav Petkov [this message]
2026-07-09 23:14 ` [tip: x86/cleanups] x86/build: Only align ENTRY_TEXT to PMD_SIZE if necessary tip-bot2 for Hamza Mahfooz
2026-07-10 9:30 ` [tip: x86/build] " tip-bot2 for Hamza Mahfooz
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