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f4d01a2593
Further shrinking the srcu_struct structure is eased by requiring that in-module srcu_struct structures rely more heavily on static initialization. In particular, this preserves the property that a module-load-time srcu_struct initialization can fail only due to memory-allocation failure of the per-CPU srcu_data structures. It might also slightly improve robustness by keeping the number of memory allocations that must succeed down percpu_alloc() call. This is in preparation for splitting an srcu_usage structure out of the srcu_struct structure. [ paulmck: Fold in qiang1.zhang@intel.com feedback. ] Cc: Christoph Hellwig <hch@lst.de> Tested-by: Sachin Sant <sachinp@linux.ibm.com> Tested-by: "Zhang, Qiang1" <qiang1.zhang@intel.com> Tested-by: Joel Fernandes (Google) <joel@joelfernandes.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> |
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