<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">On Mar 8, 2016, at 11:33 AM, Yasaswini G <<a href="mailto:yasaswinig7@gmail.com" class="">yasaswinig7@gmail.com</a>> wrote:<div><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class="">Hi,</div><div class=""><br class=""></div><div class="">What does the three patterns signify under each one of the allocation type (unallocated(dirty/clean), small, large) in "arena_chunk_map_bits_s"</div><div class=""><br class=""></div><div class="">I understand the allocation types (unallocated, small, large), but I am not sure why there are three different patters under each allocation type.</div><div class=""><br class=""></div><div class="">For example under Unallocated (clean), we have following bit patterns: </div><div class=""> <b class="">Unallocated (clean):</b></div><div class=""> * ssssssss ssssssss sss+++++ +++dum-a - pattern1</div></div></div></blockquote><div><br class=""></div><div>The above corresponds to the first page within a run.</div><br class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class=""> * xxxxxxxx xxxxxxxx xxxxxxxx xxx-Uxxx - pattern2</div></div></div></blockquote><div><br class=""></div><div>The above corresponds to an interior page within a run.</div><br class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class=""> * ssssssss ssssssss sss+++++ +++dUm-a - pattern3</div></div></div></blockquote><div><br class=""></div><div>The above corresponds to the last page within a run.</div></div><div class=""><br class=""></div><div class="">Jason</div></body></html>