From: Usama Arif <usamaarif642@gmail.com>
To: David Hildenbrand <david@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org
Cc: linux-fsdevel@vger.kernel.org, corbet@lwn.net, rppt@kernel.org,
surenb@google.com, mhocko@suse.com, hannes@cmpxchg.org,
baohua@kernel.org, shakeel.butt@linux.dev, riel@surriel.com,
ziy@nvidia.com, laoar.shao@gmail.com, dev.jain@arm.com,
baolin.wang@linux.alibaba.com, npache@redhat.com,
lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com,
ryan.roberts@arm.com, vbabka@suse.cz, jannh@google.com,
Arnd Bergmann <arnd@arndb.de>,
sj@kernel.org, linux-kernel@vger.kernel.org,
linux-doc@vger.kernel.org, kernel-team@meta.com
Subject: Re: [PATCH 2/5] mm/huge_memory: convert "tva_flags" to "enum tva_type" for thp_vma_allowable_order*()
Date: Mon, 28 Jul 2025 15:09:28 +0100 [thread overview]
Message-ID: <e91c3b2c-b3b1-4271-860b-89c8e0d2e2e9@gmail.com> (raw)
In-Reply-To: <e83ac8e3-06fa-4ccb-95e5-4f95ba5aba7b@redhat.com>
On 28/07/2025 14:28, David Hildenbrand wrote:
> On 25.07.25 18:22, Usama Arif wrote:
>> From: David Hildenbrand <david@redhat.com>
>>
>> Describing the context through a type is much clearer, and good enough
>> for our case.
>>
>> We have:
>> * smaps handling for showing "THPeligible"
>> * Pagefault handling
>> * khugepaged handling
>> * Forced collapse handling: primarily MADV_COLLAPSE, but one other odd case
>>
>> Really, we want to ignore sysfs only when we are forcing a collapse
>> through MADV_COLLAPSE, otherwise we want to enforce.
>>
>> With this change, we immediately know if we are in the forced collapse
>> case, which will be valuable next.
>>
>> Signed-off-by: David Hildenbrand <david@redhat.com>
>> Acked-by: Usama Arif <usamaarif642@gmail.com>
>
> Nit: if you forward patches untouched, make sure to add your SOB as well.
>
Thanks!
Signed-off-by: Usama Arif <usamaarif642@gmail.com>
Just adding above incase (hopefully) this revision gets into mm-new.
If it doesn't, I will add the sign off in the next revision.
next prev parent reply other threads:[~2025-07-28 14:09 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-25 16:22 [PATCH 0/5] prctl: extend PR_SET_THP_DISABLE to only provide THPs when advised Usama Arif
2025-07-25 16:22 ` [PATCH 1/5] prctl: extend PR_SET_THP_DISABLE to optionally exclude VM_HUGEPAGE Usama Arif
2025-07-30 19:31 ` Lorenzo Stoakes
2025-07-30 19:42 ` Usama Arif
2025-07-31 8:29 ` Lorenzo Stoakes
2025-07-31 8:38 ` David Hildenbrand
2025-07-31 9:09 ` Lorenzo Stoakes
2025-07-31 10:32 ` Usama Arif
2025-07-25 16:22 ` [PATCH 2/5] mm/huge_memory: convert "tva_flags" to "enum tva_type" for thp_vma_allowable_order*() Usama Arif
2025-07-28 13:28 ` David Hildenbrand
2025-07-28 14:09 ` Usama Arif [this message]
2025-07-25 16:22 ` [PATCH 3/5] mm/huge_memory: treat MADV_COLLAPSE as an advise with PR_THP_DISABLE_EXCEPT_ADVISED Usama Arif
2025-07-25 16:22 ` [PATCH 4/5] selftests: prctl: introduce tests for disabling THPs completely Usama Arif
2025-07-28 15:06 ` David Hildenbrand
2025-07-29 22:13 ` Usama Arif
2025-07-30 11:39 ` David Hildenbrand
2025-07-25 16:22 ` [PATCH 5/5] selftests: prctl: introduce tests for disabling THPs except for madvise Usama Arif
2025-07-28 16:55 ` SeongJae Park
2025-07-29 22:17 ` Usama Arif
-- strict thread matches above, loose matches on Subject: below --
2025-07-31 12:18 [PATCH 0/5] prctl: extend PR_SET_THP_DISABLE to only provide THPs when advised Usama Arif
2025-07-31 12:18 ` [PATCH 2/5] mm/huge_memory: convert "tva_flags" to "enum tva_type" for thp_vma_allowable_order*() Usama Arif
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