On Wed, Mar 23, 2022 at 05:01:00PM +0100, Michal Koutný wrote: > From: Tejun Heo <tj@xxxxxxxxxx> > > commit 0d2b5955b36250a9428c832664f2079cbf723bec upstream. > > of->priv is currently used by each interface file implementation to store > private information. This patch collects the current two private data usages > into struct cgroup_file_ctx which is allocated and freed by the common path. > This allows generic private data which applies to multiple files, which will > be used to in the following patch. > > Note that cgroup_procs iterator is now embedded as procs.iter in the new > cgroup_file_ctx so that it doesn't need to be allocated and freed > separately. > > v2: union dropped from cgroup_file_ctx and the procs iterator is embedded in > cgroup_file_ctx as suggested by Linus. > > v3: Michal pointed out that cgroup1's procs pidlist uses of->priv too. > Converted. Didn't change to embedded allocation as cgroup1 pidlists get > stored for caching. > > Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> > Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> > Reviewed-by: Michal Koutný <mkoutny@xxxxxxxx> > [mkoutny: v5.10: modify cgroup.pressure handlers, adjust context] > Signed-off-by: Michal Koutný <mkoutny@xxxxxxxx> > --- All now queued up, thanks. greg k-h
