bug#38345: 27.0.50; Permanent increase in memory consumption after opening images (or pdfs)

[Eli Zaretskii]

> From: Ihor Radchenko <yantar92@gmail.com>
> Date: Sat, 23 Nov 2019 22:37:44 +0800
> 
> If I open a large (>250) photos using the code below, the memory usage
> increases permanently even after I close all the image buffers and wait
> for some time. 

For some background on this, see

  
https://unix.stackexchange.com/questions/53447/does-free-unmap-the-memory-of-a-process
  
https://stackoverflow.com/questions/1421491/does-calling-free-or-delete-ever-release-memory-back-to-the-system

I think what you see is just normal behavior of memory allocation in
glibc.