Re: [PATCH v5 5/9] mm/mmu_notifier: contextual information for event triggering invalidation v2

2019-02-25 Thread Ralph Campbell
On 2/19/19 12:04 PM, jgli...@redhat.com wrote: From: Jérôme Glisse CPU page table update can happens for many reasons, not only as a result of a syscall (munmap(), mprotect(), mremap(), madvise(), ...) but also as a result of kernel activities (memory compression, reclaim, migration, ...). Us

[PATCH v5 5/9] mm/mmu_notifier: contextual information for event triggering invalidation v2

2019-02-19 Thread jglisse
From: Jérôme Glisse CPU page table update can happens for many reasons, not only as a result of a syscall (munmap(), mprotect(), mremap(), madvise(), ...) but also as a result of kernel activities (memory compression, reclaim, migration, ...). Users of mmu notifier API track changes to the CPU p