Note that you generally don't send pull requests when contributing to Linux unless your changeset is unusually big, so pull requests are usually only used by maintainers to forward their stuff to other maintainers. Regular contributors submit patches instead: https://www.kernel.org/doc/html/latest/process/submitting-pa...
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There's https://www.kernel.org/doc/html/latest/maintainer/pull-reque...
Note that you generally don't send pull requests when contributing to Linux unless your changeset is unusually big, so pull requests are usually only used by maintainers to forward their stuff to other maintainers. Regular contributors submit patches instead: https://www.kernel.org/doc/html/latest/process/submitting-pa...