On Fri, Apr 05, 2019 at 12:16:39PM +0200, Florian Weimer wrote: > > True; but I suppose glibc already does lots of that anyway, right? It > > does contain the right information. > > If I recall correctly my last investigation, > /sys/devices/system/cpu/possible does not reflect the size of the > affinity mask, either. Strictly speaking correct; the bitmap can be longer than the highest possible cpu number, however the remainder would be 0-padding and could thus be stripped without issue. So a bitmap sized to fit the max possible cpu number, should for all practical purposes suffice.
