From: David Hildenbrand <david@redhat.com>
To: "Yin, Fengwei" <fengwei.yin@intel.com>,
kernel test robot <oliver.sang@intel.com>,
Peter Xu <peterx@redhat.com>
Cc: oe-lkp@lists.linux.dev, lkp@intel.com,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Huacai Chen <chenhuacai@kernel.org>,
Jason Gunthorpe <jgg@nvidia.com>,
Matthew Wilcox <willy@infradead.org>,
Nathan Chancellor <nathan@kernel.org>,
Ryan Roberts <ryan.roberts@arm.com>,
WANG Xuerui <kernel@xen0n.name>,
linux-mm@kvack.org, ying.huang@intel.com, feng.tang@intel.com
Subject: Re: [linus:master] [mm] c0bff412e6: stress-ng.clone.ops_per_sec -2.9% regression
Date: Thu, 1 Aug 2024 09:54:19 +0200 [thread overview]
Message-ID: <c56fefdd-ffe4-4eee-ab0d-8a495daf3d5d@redhat.com> (raw)
In-Reply-To: <99a5e8b5-6040-4de7-a185-7a39c16ae0fa@intel.com>
On 01.08.24 09:44, Yin, Fengwei wrote:
> Hi David,
>
> On 8/1/2024 2:49 PM, David Hildenbrand wrote:
>> We now have to do a page_folio(page) and then test for hugetlb.
>>
>> return folio_test_hugetlb(page_folio(page));
>>
>> Nowadays, folio_test_hugetlb() will be faster than at c0bff412e6 times,
>> so maybe at least part of the overhead is gone.
> This is great. We will check the trend to know whether it's recovered
> in some level.
Oh, I think d99e3140a4d33e26066183ff727d8f02f56bec64 went upstream
before c0bff412e67b781d761e330ff9578aa9ed2be79e, so at the time of
c0bff412e6 we already should have had the faster check!
--
Cheers,
David / dhildenb
next prev parent reply other threads:[~2024-08-01 7:54 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-30 5:00 [linus:master] [mm] c0bff412e6: stress-ng.clone.ops_per_sec -2.9% regression kernel test robot
2024-07-30 8:11 ` David Hildenbrand
2024-08-01 6:39 ` Yin, Fengwei
2024-08-01 6:49 ` David Hildenbrand
2024-08-01 7:44 ` Yin, Fengwei
2024-08-01 7:54 ` David Hildenbrand [this message]
2024-08-01 13:30 ` Mateusz Guzik
2024-08-01 13:34 ` David Hildenbrand
2024-08-01 13:37 ` Mateusz Guzik
2024-08-01 13:44 ` David Hildenbrand
2024-08-12 4:43 ` Yin Fengwei
2024-08-12 4:49 ` Mateusz Guzik
2024-08-12 8:12 ` David Hildenbrand
2024-08-12 8:18 ` Mateusz Guzik
2024-08-12 8:23 ` David Hildenbrand
2024-08-13 7:09 ` Yin Fengwei
2024-08-13 7:14 ` Mateusz Guzik
2024-08-14 3:02 ` Yin Fengwei
2024-08-14 4:10 ` Mateusz Guzik
2024-08-14 9:45 ` David Hildenbrand
2024-08-14 11:06 ` Mateusz Guzik
2024-08-14 12:02 ` David Hildenbrand
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