On Thu, Dec 12, 2013 at 01:40:40PM +0000, Tvrtko Ursulin wrote: > So this is the story... task_mmu.c:show_map_vma() calls seq_path. There > we have a d_path call which returns -ENAMETOOLONG and keeps doing so > even though the buffer grows to huge proportions. It is something on > tmpfs, don't know what. > > But in the meantime, shouldn't seq_path be a bit more considerate on > this particular error and not mark the state as "could not fit" forever? > Perhaps it would make sense to limit it a bit? > > Or even more so, on errors _other_ than -ENAMETOOLONG it will at the > moment mark the result as "need more space". That also sounds broken to > me.
a) *what* errors other than -ENAMETOOLONG? b) d_path() not fitting into 2Mb is definitely a bug. If you really have managed to get a dentry tree 1 million levels deep, you have much worse problems. c) which kernel version it is? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
