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From: David Hildenbrand <david@redhat.com>
To: "Thomas Weißschuh" <thomas.weissschuh@linutronix.de>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Shuah Khan" <shuah@kernel.org>, "Dev Jain" <dev.jain@arm.com>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Anshuman Khandual" <khandual@linux.vnet.ibm.com>
Cc: linux-mm@kvack.org, linux-kselftest@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	kernel test robot <oliver.sang@intel.com>
Subject: Re: [PATCH v4 0/4] selftests/mm: virtual_address_range: Reduce memory usage and avoid VM_IO access
Date: Tue, 14 Jan 2025 17:49:29 +0100	[thread overview]
Message-ID: <1ac24517-6f7b-4923-836f-2b4284a46a41@redhat.com> (raw)
In-Reply-To: <20250114-virtual_address_range-tests-v4-0-6fd7269934a5@linutronix.de>

On 14.01.25 17:06, Thomas Weißschuh wrote:
> The selftest started failing since commit e93d2521b27f
> ("x86/vdso: Split virtual clock pages into dedicated mapping")
> was merged. While debugging I stumbled upon some memory usage
> optimizations.
> 
> With these test now runs on a VM with only 60MiB of memory.

60 MiB ? Crazy :)

-- 
Cheers,

David / dhildenb



      parent reply	other threads:[~2025-01-14 16:49 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-14 16:06 Thomas Weißschuh
2025-01-14 16:06 ` [PATCH v4 1/4] selftests/mm: virtual_address_range: mmap() without PROT_WRITE Thomas Weißschuh
2025-01-14 16:06 ` [PATCH v4 2/4] selftests/mm: virtual_address_range: Unmap chunks after validation Thomas Weißschuh
2025-01-14 16:06 ` [PATCH v4 3/4] selftests/mm: vm_util: Split up /proc/self/smaps parsing Thomas Weißschuh
2025-01-14 16:06 ` [PATCH v4 4/4] selftests/mm: virtual_address_range: Avoid reading from VM_IO mappings Thomas Weißschuh
2025-01-14 16:53   ` David Hildenbrand
2025-01-14 16:49 ` David Hildenbrand [this message]

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