Andrew, I do not see these patches in mmotm tree. Is there anything
blocking them? There used to be v3 in the tree
(http://lkml.kernel.org/r/1589611660-89854-4-git-send-email-feng.t...@intel.com)
but that one got dropped due some failures. I haven't seen any failures
for this one.
On Sun 21-06-20
When checking a performance change for will-it-scale scalability
mmap test [1], we found very high lock contention for spinlock of
percpu counter 'vm_committed_as':
94.14% 0.35% [kernel.kallsyms] [k] _raw_spin_lock_irqsave
48.21%
_raw_spin_lock_irqsave;percpu_counter_add_batc
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