Commit 039c4531 authored by Paul Bone's avatar Paul Bone
Browse files

Bug 1822451 - Don't include PHC guard pages in explicit memory r=decoder 

Differential Revision: https://phabricator.services.mozilla.com/D172655
parent c7acbaf0

memory/replace/phc/PHC.cpp

+5 −3
Original line number Diff line number Diff line
@@ -1410,9 +1410,11 @@ void replace_jemalloc_stats(jemalloc_stats_t* aStats, 
  }

  aStats->allocated += allocated;



  // Waste is the gap between `allocated` and `mapped`.

  size_t waste = mapped - allocated;

  aStats->waste += waste;

  // guards is the gap between `allocated` and `mapped`. In some ways this

  // almost fits into aStats->wasted since it feels like wasted memory. However

  // wasted should only include committed memory and these guard pages are

  // uncommitted. Therefore we don't include it anywhere.

  // size_t guards = mapped - allocated;



  // aStats.page_cache and aStats.bin_unused are left unchanged because PHC

  // doesn't have anything corresponding to those.