Commit 509b5b115218 for kernel

commit 509b5b1152181447bb001f7beb0a852530ad2a74
Merge: 71b62ed6cea9 70eafc743016
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Fri Jan 2 12:07:55 2026 -0800

    Merge tag 'io_uring-6.19-20260102' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

    Pull io_uring fixes from Jens Axboe:

     - Removed dead argument length for io_uring_validate_mmap_request()

     - Use GFP_NOWAIT for overflow CQEs on legacy ring setups rather than
       GFP_ATOMIC, which makes it play nicer with memcg limits

     - Fix a potential circular locking issue with tctx node removal and
       exec based cancelations

    * tag 'io_uring-6.19-20260102' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
      io_uring/memmap: drop unused sz param in io_uring_validate_mmap_request()
      io_uring/tctx: add separate lock for list of tctx's in ctx
      io_uring: use GFP_NOWAIT for overflow CQEs on legacy rings