On 07/09/2018 06:19 PM, Huang, Ying wrote: > Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> writes: > >>> config THP_SWAP >>> def_bool y >>> - depends on TRANSPARENT_HUGEPAGE && ARCH_WANTS_THP_SWAP >>> + depends on TRANSPARENT_HUGEPAGE && ARCH_WANTS_THP_SWAP && SWAP >>> help >> >> This seems like a bug-fix. Is there a reason this didn't cause problems >> up to now? > Yes. The original code has some problem in theory, but not in practice > because all code enclosed by > > #ifdef CONFIG_THP_SWAP > #endif > > are in swapfile.c. But that will be not true in this patchset. That's great info for the changelog.
