From: Dave Hansen <dave.hansen@intel.com>
To: Peter Xu <peterx@redhat.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
Jason Gunthorpe <jgg@nvidia.com>,
Andrew Morton <akpm@linux-foundation.org>,
Al Viro <viro@zeniv.linux.org.uk>,
Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
Matthew Wilcox <willy@infradead.org>,
Dan Williams <dan.j.williams@intel.com>,
"Kirill A . Shutemov" <kirill@shutemov.name>,
Mike Rapoport <rppt@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Michal Hocko <mhocko@suse.com>,
Alex Williamson <alex.williamson@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Suren Baghdasaryan <surenb@google.com>,
Borislav Petkov <bp@alien8.de>,
x86@kernel.org
Subject: Re: [PATCH RFC 2/2] mm/x86/pat: Do proper PAT bit shift for large mappings
Date: Thu, 23 May 2024 15:48:22 -0700 [thread overview]
Message-ID: <f19f63ba-c436-4e39-ab86-78c80b1af667@intel.com> (raw)
In-Reply-To: <20240523223745.395337-3-peterx@redhat.com>
On 5/23/24 15:37, Peter Xu wrote:
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> index 317de2afd371..c4a2356b1a54 100644
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -1135,7 +1135,7 @@ static void insert_pfn_pmd(struct vm_area_struct *vma, unsigned long addr,
> goto out_unlock;
> }
>
> - entry = pmd_mkhuge(pfn_t_pmd(pfn, prot));
> + entry = pmd_mkhuge(pfn_t_pmd(pfn, pgprot_4k_2_large(prot)));
> if (pfn_t_devmap(pfn))
> entry = pmd_mkdevmap(entry);
> if (write) {
Does this even compile on non-x86 architectures?
next prev parent reply other threads:[~2024-05-23 22:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-23 22:37 [PATCH RFC 0/2] mm/x86/pat: Fix two possible issues Peter Xu
2024-05-23 22:37 ` [PATCH RFC 1/2] mm/x86/pat: Only untrack the pfn range if unmap region Peter Xu
2024-05-23 22:37 ` [PATCH RFC 2/2] mm/x86/pat: Do proper PAT bit shift for large mappings Peter Xu
2024-05-23 22:48 ` Dave Hansen [this message]
2024-05-23 23:07 ` Peter Xu
2024-05-24 0:53 ` Peter Xu
2024-05-24 3:30 ` Dave Hansen
2024-05-24 23:55 ` Peter Xu
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