RFC do not depend on cpuhotplug logs in lru_add_drain_all
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- v1 RFC Latest2 patches 9 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | shmem: drop lru_add_drain_all from shmem_wait_for_pinsmm/ | +1 | 5 replies | |
| 2/2 | mm: drop hotplug lock from lru_add_drain_allinclude/ mm/ mm/ +1 more | +6 | 5 replies |
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Cover letter [RFC 0/2] do not depend on cpuhotplug logs in lru_add_drain_all
Hi,
this is an RFC to drop get_online_cpus from lru_add_drain_all ad this has caused a very subtle lockdep splats recently [1]. I didn't get even to properly test this yet and I am sending it early to check whether the thinking behind is sound. I am basically following the same pattern we have used for removing get_online_cpus from drain_all_pages which should be the similar case.
Does anybody see any obvious problem?
[1] http://lkml.kernel.org/r/[email protected]
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