On 6/9/21 1:38 PM, Vlastimil Babka wrote: > Changes since RFC v1 [1]: > * Addressed feedback from Christoph and Mel, added their acks. > * Finished RT conversion, including adopting 2 patches from the RT tree. > * The optional local_lock conversion has to sacrifice lockless fathpaths on RT > * Added some more cleanup patches to the front. > > This series was initially inspired by Mel's pcplist local_lock rewrite, and > also by interest to better understand SLUB's locking and the new locking > primitives and their RT variants and implications. It should make SLUB more > preemption-friendly and fully RT compatible, hopefully without noticeable > regressions on !RT kernels, as the fast paths are not affected there. > > Series is based on 5.13-rc5 and also available as a git branch: > https://git.kernel.org/pub/scm/linux/kernel/git/vbabka/linux.git/log/?h=slub-local-lock-v2r1 Pushed a new revision branch: https://git.kernel.org/pub/scm/linux/kernel/git/vbabka/linux.git/log/?h=slub-local-lock-v2r2 which fixes a bug in [RFC v2 33/34] mm, slub: use migrate_disable() on PREEMPT_RT that was reported by Mel
