Function pages

BeefRT/gperftools/src/common.h:148–151

Convert byte size into pages. This won't overflow, but may return an unreasonably large value if bytes is huge enough.

// Convert byte size into pages.  This won't overflow, but may return
// an unreasonably large value if bytes is huge enough.
inline Length pages(size_t bytes) {
  return (bytes >> kPageShift) +
      ((bytes & (kPageSize - 1)) > 0 ? 1 : 0);
}

// For larger allocation sizes, we use larger memory alignments to
// reduce the number of size classes.