On Wed, 12 Apr 2023 02:24:26 +0800 wenyang.linux@xxxxxxxxxxx wrote: > For the /proc/sys/vm/compact_memory file, the admin-guide states: > When 1 is written to the file, all zones are compacted such that free > memory is available in contiguous blocks where possible. This can be > important for example in the allocation of huge pages although processes > will also directly compact memory as required > > But it was not strictly followed, writing any value would cause all > zones to be compacted. In some critical scenarios, some applications > operating it, such as echo 0, have caused serious problems. Really? You mean someone actually did this and didn't observe the effect during their testing? > It has been slightly optimized to comply with the admin-guide.
