davidedmundson added a comment.
Unless you know how much of that cache was actually read back, you have absolutely no knowledge of whether the cache was utilised properly or not. In your example seeing the cache value stay "good" is giving you the same result as seeing the free memory stay "good" just arguably with the effect lingering ever so slightly longer. REPOSITORY R114 Plasma Addons REVISION DETAIL https://phabricator.kde.org/D11558 To: davidedmundson, #plasma Cc: rkflx, plasma-devel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart