File removal from brd-backed ramdisk doesn't free up the memory

Issue

If brd kernel module is used to create a disk in RAM, memory usage doesn't go down after files are removed from such a disk.

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Here are the common uses of Markdown.

Code blocks

~~~
Code surrounded in tildes is easier to read
~~~

Links/URLs

[Red Hat Customer Portal](https://access.redhat.com)