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merging the mm-hotfixes tree, today's linux-next build (powerpc > allyesconfig) failed like this: > > ld: mm/kasan/init.o:(.toc+0x0): undefined reference to `kasan_early_shadow_p4d' > > Caused by commit > > 4b99d7a3e69a ("mm: introduce and use {pgd,p4d}_populate_kernel()") > > I have reverted that commit (and the following 07cf1bc1f659) for today. Hi Stephen, thanks for reporting the build error. I've sent a fix for it [1], and hopefully we can add it to mm-hotfixes soon. [1] https://lore.kernel.org/linux-mm/20250821093542.37844-1-harry.yoo@oracle.com -- Cheers, Harry / Hyeonggon