Re: [PATCH v1 06/11] rcu: Enable RCU callbacks to benefit from expedited grace periods
Frederic Weisbecker <[email protected]> Thu, 9 Jul 2026 15:58:59 +0200
| Newsgroups | org.kernel.vger.rcu,org.kernel.vger.linux-kernel,org.kernel.vger.linux-trace-kernel |
|---|---|
| Message-ID | <[email protected]> |
Le Wed, Jun 24, 2026 at 06:23:48AM -0700, Puranjay Mohan a écrit : > Currently, RCU callbacks only track normal grace-period sequence > numbers. This means callbacks must wait for normal grace periods to > complete even when expedited grace periods have already elapsed. The changelog still misses the reason for this change. I had to read the lwn article to understand that this matters under memory pressure in order to release objects faster. Thanks. -- Frederic Weisbecker SUSE Labs