On Tue, May 25, 2021 at 12:36:52PM +0200, Vlastimil Babka wrote: > > Most callers of validate_slab_cache don't care about the return value > > except when the validate sysfs file is written. Should a simply > > informational message be displayed for -ENOMEM in case a writer to > > validate fails and it's not obvious it was because of an allocation > > failure? > > he other callers are all in the effectively dead resiliency_test() code, which > has meanwhile been replaced in mmotm by kunit tests meanwhile. But it's true > those don't check the results either for now. > Ok. > > It's a fairly minor concern so whether you add a message or not > > I think I'll rather fix up the tests. Or do you mean that -ENOMEM for a sysfs > write is also not enough and there should be a dmesg explanation for that case? > I mean the -ENOMEM for a sysfs write. While it's very unlikely, it might would explain an unexpected write failure. -- Mel Gorman SUSE Labs