On Tue, May 05, 2020 at 09:28:39AM +0200, SeongJae Park wrote:
> From: SeongJae Park <sjp...@amazon.de>
>
> The commit 6d7855c54e1e ("sockfs: switch to ->free_inode()") made the
> deallocation of 'socket_alloc' to be done asynchronously using RCU, as
> same to 'sock.wq'. And the following commit 333f7909a857 ("coallocate
> socket_sq with socket itself") made those to have same life cycle.
>
> The changes made the code much more simple, but also made 'socket_alloc'
> live longer than before. For the reason, user programs intensively
> repeating allocations and deallocations of sockets could cause memory
> pressure on recent kernels.
>
> To avoid the problem, this commit reverts the changes.
Is it "could cause" or is it "have been actually observed to"?
