From: Gregory Price <gourry@gourry.net>
To: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Muchun Song <muchun.song@linux.dev>,
Oscar Salvador <osalvador@suse.de>,
David Hildenbrand <david@redhat.com>,
"Liam R . Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>, Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
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Axel Rasmussen <axelrasmussen@google.com>,
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Peter Xu <peterx@redhat.com>, Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
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Baoquan He <bhe@redhat.com>, Chris Li <chrisl@kernel.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Qi Zheng <zhengqi.arch@bytedance.com>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH 1/4] mm: declare VMA flags by bit
Date: Fri, 31 Oct 2025 09:58:18 -0400 [thread overview]
Message-ID: <aQTAejgLn8_Er8RF@gourry-fedora-PF4VCD3F> (raw)
In-Reply-To: <a94b3842778068c408758686fbb5adcb91bdbc3c.1761757731.git.lorenzo.stoakes@oracle.com>
On Wed, Oct 29, 2025 at 05:49:35PM +0000, Lorenzo Stoakes wrote:
>
> diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
> index db16ed91c269..c113a3eb5cbd 100644
> --- a/fs/proc/task_mmu.c
> +++ b/fs/proc/task_mmu.c
> @@ -1182,10 +1182,10 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma)
> [ilog2(VM_PKEY_BIT0)] = "",
> [ilog2(VM_PKEY_BIT1)] = "",
> [ilog2(VM_PKEY_BIT2)] = "",
> -#if VM_PKEY_BIT3
> +#if CONFIG_ARCH_PKEY_BITS > 3
> [ilog2(VM_PKEY_BIT3)] = "",
> #endif
> -#if VM_PKEY_BIT4
> +#if CONFIG_ARCH_PKEY_BITS > 4
> [ilog2(VM_PKEY_BIT4)] = "",
> #endif
> #endif /* CONFIG_ARCH_HAS_PKEYS */
I realize this causes some annoying churn, but is it possible/reasonable
to break the no-op ifdefsphagetti fixes into a separate diff?
it makes it easier to see this change:
> -# define VM_PKEY_BIT0 VM_HIGH_ARCH_0
> +#define VM_PKEY_BIT0 VMA_BIT(VMA_PKEY_BIT0_BIT)
~Gregory
next prev parent reply other threads:[~2025-10-31 13:58 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-29 17:49 [PATCH 0/4] initial work on making VMA flags a bitmap Lorenzo Stoakes
2025-10-29 17:49 ` [PATCH 1/4] mm: declare VMA flags by bit Lorenzo Stoakes
2025-10-29 19:02 ` Jason Gunthorpe
2025-10-30 9:07 ` Lorenzo Stoakes
2025-10-30 12:55 ` Jason Gunthorpe
2025-10-30 13:45 ` Lorenzo Stoakes
2025-10-31 13:58 ` Gregory Price [this message]
2025-10-29 17:49 ` [PATCH 2/4] mm: simplify and rename mm flags function for clarity Lorenzo Stoakes
2025-10-29 17:49 ` [PATCH 3/4] mm: introduce VMA flags bitmap type Lorenzo Stoakes
2025-10-29 17:49 ` [PATCH 4/4] mm: introduce and use VMA flag test helpers Lorenzo Stoakes
2025-10-29 19:22 ` Jason Gunthorpe
2025-10-30 10:04 ` Lorenzo Stoakes
2025-10-30 12:52 ` Jason Gunthorpe
2025-10-30 14:03 ` Lorenzo Stoakes
2025-10-30 17:54 ` Jason Gunthorpe
2025-10-30 19:21 ` Lorenzo Stoakes
2025-10-30 3:07 ` [PATCH 0/4] initial work on making VMA flags a bitmap Nico Pache
2025-10-30 8:33 ` Lorenzo Stoakes
2025-10-30 9:20 ` Nico Pache
2025-10-30 9:22 ` Nico Pache
2025-10-30 11:43 ` Alice Ryhl
2025-10-30 12:02 ` Lorenzo Stoakes
2025-10-30 13:38 ` Alice Ryhl
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