From: "Oscar Salvador (SUSE)" <osalvador@kernel.org>
To: Dave Hansen <dave.hansen@intel.com>
Cc: Karsten Desler <kdesler@soohrt.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [REGRESSION] x86/hugetlb: AMD F15h VA alignment offset breaks MAP_HUGETLB alignment
Date: Thu, 28 May 2026 16:03:12 +0200 [thread overview]
Message-ID: <ahhLIOB7u210pjfA@localhost.localdomain> (raw)
In-Reply-To: <ahg4zTSRK6THd2yP@localhost.localdomain>
On Thu, May 28, 2026 at 02:45:01PM +0200, Oscar Salvador (SUSE) wrote:
> The only thing bugging is, should not the same happen for THP-file-backed mappings?
Aha, no, for THP we do not set align_mask (at least on x86), and the masking off is being
done in __thp_get_unmapped_area().
--
Oscar Salvador
SUSE Labs
next prev parent reply other threads:[~2026-05-28 14:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-27 14:36 [REGRESSION] x86/hugetlb: AMD F15h VA alignment offset breaks MAP_HUGETLB alignment Karsten Desler
2026-05-27 15:53 ` Oscar Salvador (SUSE)
2026-05-27 18:28 ` Oscar Salvador (SUSE)
2026-05-27 20:39 ` Karsten Desler
2026-05-27 21:04 ` Dave Hansen
2026-05-28 5:45 ` Oscar Salvador (SUSE)
2026-05-28 12:45 ` Oscar Salvador (SUSE)
2026-05-28 14:03 ` Oscar Salvador (SUSE) [this message]
2026-05-28 15:31 ` Borislav Petkov
2026-05-28 18:29 ` Oscar Salvador (SUSE)
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