Messages in this thread | | | Subject | Re: [PATCH v2 1/4] selftest/vm: verify mmap addr in mremap_test | From | Shuah Khan <> | Date | Thu, 21 Apr 2022 13:31:32 -0600 |
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On 4/20/22 3:57 PM, Sidhartha Kumar wrote: > Avoid calling mmap with requested addresses that are less than the system's > mmap_min_addr. When run as root, mmap returns EACCES when trying to map > addresses < mmap_min_addr. This is not one of the error codes for the > condition to retry the mmap in the test. Rather than arbitrarily retrying > on EACCES, don't attempt an mmap until addr > vm.mmap_min_addr. > > Add a munmap call after an alignment check as the mappings are retained > after the retry and can reach the vm.max_map_count sysctl. > > Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com> > --- > v2: > -change comment for description of get_mmap_min_addr() > -fix commit message formatting >
Thank you.
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Andrew, please let me know if you would like me to take this through kselftest tree.
thanks, -- Shuah
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