On Thu, Aug 27, 2015 at 05:24:04PM +0200, Vlastimil Babka wrote: > Compaction returns prematurely with COMPACT_PARTIAL when contended or has > fatal > signal pending. This is ok for the callers, but might be misleading in the > traces, as the usual reason to return COMPACT_PARTIAL is that we think the > allocation should succeed. This patch distinguishes the premature ending > condition. Further distinguishing the exact reason seems unnecessary for now.
isolate_migratepages() could return ISOLATE_ABORT and skip to call compact_finished(). trace_mm_compaction_end() will print COMPACT_PARTIAL in this case and we cannot distinguish premature ending condition. Is it okay? Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
