[6.18] Track PF uksmd patches #42
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d7597f5 added a new API to enable per-process KSM control. It however uses prctl, which doesn't allow controlling KSM from outside of the current process. Hence, expose this API via 3 syscalls: process_ksm_enable, process_ksm_disable and process_ksm_status. Given sufficient privileges, auto-KSM can be enable by another process. Since these syscalls are not in the upstream kernel, also expose their numbers under /sys/kernel/process_ksm so that userspace tooling like uksmd knows how to use them. Signed-off-by: Oleksandr Natalenko <oleksandr@natalenko.name> Co-authored-by: Oleksandr Natalenko <oleksandr@natalenko.name> Signed-off-by: Kai Krakow <kai@kaishome.de>
…id_task() Link: https://git.kernel.org/linus/ee9955d61a0a Signed-off-by: Oleksandr Natalenko <oleksandr@natalenko.name>
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Export patch series: https://github.com/kakra/linux/pull/42.patch