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From: | Richard Henderson |
Subject: | Re: [PATCH 3/3] tests/tcg/s390x: Test BRASL and BRCL with large negative offsets |
Date: | Mon, 14 Mar 2022 10:59:04 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 |
On 3/14/22 01:30, 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 ?
That can help, certainly. But that doesn't affect RLIMIT_AS, or a 32-bit host. r~
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