On Thu, Mar 09, 2023 at 11:42:58AM +0800, ye.xingchen@xxxxxxxxxx wrote: > From: Minghao Chi <chi.minghao@xxxxxxxxxx> > > Available only when CONFIG_COMPACTION is set. When 1 is written to > the file, all zones are compacted such that free memory is available > in contiguous blocks where possible. > But echo others-parameter > compact_memory, this function will be > triggered by writing parameters to the interface. > > Applied this patch, > sh/$ echo 1.1 > /proc/sys/vm/compact_memory > sh/$ sh: write error: Invalid argument Didn't echo 2 > /proc/sys/vm/compact_memory used to work too? Why kill that? Did the docs say only 1 was possible? If not perhaps the docs need to be updated? Luis