Hi Daniel > > > The notification fires after only ~100 MB allocated, i.e., when page > > > reclaim is beginning to nag from page cache. Isn't this a bit early? > > > Repeating the test with swap enabled results in a notification after > > > ~600 MB allocated, which is more reasonable and just before the system > > > starts to swap. > > > > Your issue may have more to do with the fact that the > > highmem zone is 128MB in size and some balancing issues > > between __alloc_pages and try_to_free_pages. > > I don't think so. I ran the test again without highmem and noticed the > same behaviour:
Thank you for good point out! Could you please post your test program and reproduced method? unfortunately, my simple test is so good works in swapless system ;-) thanks. -- 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/