[$] The rest of the 5.0 merge window

Linus Torvalds released 5.0-rc1 onJanuary 6, closing the merge window for this development cycle andconfirming that the next release will indeed be called "5.0". At thatpoint, 10,843 non-merge change sets had been pulled into the mainline, about2,100 since last week's summary waswritten. Those 2,100 patches included a number of significant changes, though, includingsome new system-call semantics that may yet prove to create problems for existinguser-space code.