On Sun, Jul 7, 2019 at 7:05 AM <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > * mm-move-mem_cgroup_uncharge-out-of-__page_cache_release.patch > * mm-shrinker-make-shrinker-not-depend-on-memcg-kmem.patch > * mm-shrinker-make-shrinker-not-depend-on-memcg-kmem-fix.patch > * mm-thp-make-deferred-split-shrinker-memcg-aware.patch mm-shrinker-make-shrinker-not-depend-on-memcg-kmem-fix.patch fixes the compile-time error when memcg_expand_shrinker_maps() is not declared, but now we get a linker error instead because the function is still not built into the kernel: mm/vmscan.o: In function `prealloc_shrinker': vmscan.c:(.text+0x328): undefined reference to `memcg_expand_shrinker_maps' Arnd