Hey, Ok, I wanted to give this another try as I'd really like to rely on the maple tree supporting ULONG_MAX when BITS_PER_LONG is 64 as it makes things a lot simpler overall. As Willy didn't want additional users relying on an external lock I made it so that we don't have to and can just use the mtree lock. However, I need an irq safe variant which is why I added support for this into the maple tree. This is pullable from https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git work.pidfs.maple_tree Thanks! Christian --- Christian Brauner (2): maple_tree: make MT_FLAGS_LOCK_IRQ do something pidfs: use maple tree fs/pidfs.c | 52 +++++++++++++++++++++++++++------------------- include/linux/maple_tree.h | 16 ++++++++++++-- kernel/pid.c | 34 +++++++++++++++--------------- 3 files changed, 62 insertions(+), 40 deletions(-) --- base-commit: 963c8e506c6d4769d04fcb64d4bf783e4ef6093e change-id: 20241206-work-pidfs-maple_tree-b322ff5399b7
