On Tue, Mar 9, 2021 at 7:15 PM Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> wrote: > > My UEK-derived config has 1030 files depending on pagemap.h before > this change. Afterwards, just 240 files need to be rebuilt when I > touch pagemap.h. I think blkdev.h is probably included too widely, > but untangling that dependency is harder and this solves my problem. > x86 allmodconfig builds, but there may be implicit include problems > on other architectures. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Good catch! With the build regression fixed (I suppose you now need to include pagemap.h in swap.h): Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
