Re: [PATCH -V3 3/8] hugetlb: add charge/uncharge calls for HugeTLB alloc/free
From: Andrew Morton <hidden>
Date: 2012-03-13 21:36:57
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On Tue, 13 Mar 2012 12:37:07 +0530 "Aneesh Kumar K.V" [off-list ref] 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?