Messages in this thread | | | Date | Tue, 05 May 2020 11:48:25 -0700 (PDT) | Subject | Re: [PATCH net v2 0/2] Revert the 'socket_alloc' life cycle change | From | David Miller <> |
| |
From: SeongJae Park <sjpark@amazon.com> Date: Tue, 5 May 2020 10:10:33 +0200
> From: SeongJae Park <sjpark@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.
Series applied and queued up for -stable, thanks.
| |