What distributions are including kernels so quickly without also including various patch sets applied? Even Gentoo layers patches on top of the recent kernels,

What distributions are including kernels so quickly without also including various patch sets applied? Even Gentoo layers patches on top of the recent kernels, unless you run the literal source; but if you can do that you can apply your own patch sets. Big distros like RedHat or Ubuntu always roll patched kernels, and as far as I know they’re usually a bit long in the tooth.