[$] The rest of the 6.15 merge window

Linus Torvalds released 6.15-rc1 andclosed the 6.15 merge window on April6. By that time, 12,633non-merge changesets had found their way into his repository; that issubstantially more than were merged during the entire 6.14development cycle. Just under 6,000 of those changesets were merged afterthe first-half merge-window summary waswritten.