Re: [RFC PATCH 09/19] io_uring: convert to use vm_account

[Jason Gunthorpe]

On Tue, Jan 24, 2023 at 04:42:38PM +1100, Alistair Popple wrote:
> Convert io_uring to use vm_account instead of directly charging pages
> against the user/mm. Rather than charge pages to both user->locked_vm
> and mm->pinned_vm this will only charge pages to user->locked_vm.

I think this is a mistake in the first patch, the pinned_vm should
still increment (but not checked against the rlimit), though its main
purpose in this mode is for debugging in proc.

Jason