Re: [PATCH -V3 3/8] hugetlb: add charge/uncharge calls for HugeTLBalloc/free

[Andrew Morton]

On Tue, 13 Mar 2012 12:37:07 +0530
"Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> wrote:

> +		return ERR_PTR(-VM_FAULT_SIGBUS);

whee, so we have (ab)used the err.h infrastructure to carry
VM_FAULT_foo codes, thus creating a secret requirement that the
VM_FAULT_foo values not exceed MAX_ERRNO.

What a hack, whodidthat?
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