19.03.2021 20:29, Dmitry Osipenko пишет: > +void cma_sysfs_alloc_pages_count(struct cma *cma, size_t count) > +{ > + atomic64_add(count, &cma->nr_pages_succeeded); > +} > + > +void cma_sysfs_fail_pages_count(struct cma *cma, size_t count) > +{ > + atomic64_add(count, &cma->nr_pages_failed); > +} The atomic looks good, but aren't CMA allocations already protected by the CMA core? Do we really need to worry about racing here?