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Re: [PATCH 3/3] tests/tcg/s390x: Test BRASL and BRCL with large negative
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From: |
David Hildenbrand |
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Subject: |
Re: [PATCH 3/3] tests/tcg/s390x: Test BRASL and BRCL with large negative offsets |
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Date: |
Mon, 14 Mar 2022 11:17:59 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.6.2 |
On 14.03.22 09:30, Christian Borntraeger wrote:
>
>
> Am 11.03.22 um 21:32 schrieb Richard Henderson:
>> On 3/11/22 10:49, Ilya Leoshkevich wrote:
>>> + size_t length = 0x100000006;
>>> + unsigned char *buf;
>>> + int i;
>>> +
>>> + buf = mmap(NULL, length, PROT_READ | PROT_WRITE | PROT_EXEC,
>>> + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
>>> + assert(buf != MAP_FAILED);
>>
>> I'm thinking exit success here, as such a large allocation may well fail
>> depending on the host.
>
> What about using MAP_NORESERVE ?
+1
--
Thanks,
David / dhildenb