Re: [PATCH v4] mm: cma: support sysfs

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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?



[Index of Archives]     [ARM Kernel]     [Linux ARM]     [Linux ARM MSM]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux