On Wed, Mar 27, 2019 at 4:51 PM Tobin C. Harding <me@xxxxxxxx> wrote: > > On Wed, Mar 27, 2019 at 07:34:58PM -0500, Jesse Simpson wrote: > > Hi Tobin, > > > > I took a look on my system, and I wasn't able to find where PageHead is > > defined either. I used grep to search for it as well as vim with ctags. > > Maybe it's hidden away in some built-in.a or binary file. > > Cheers Jesse, confirmation that I've not gone mad - that's a win. > > I'll repost this to mm-linux tomorrow if no one on here knows. > > thanks, > Tobin. > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies Hi Tobin and Jesse, Neither grep nor ctags are going to help you here :) PageHead is implicitly defined using macros __PAGEFLAG: __PAGEFLAG(Head, head, PF_ANY) CLEARPAGEFLAG(Head, head, PF_ANY) (https://elixir.bootlin.com/linux/v5.0.5/source/include/linux/page-flags.h#L517) __PAGEFLAG defines TESTPAGEFLAG: (https://elixir.bootlin.com/linux/v5.0.5/source/include/linux/page-flags.h#L248) and TESTPAGEFLAG defines PageHead: #define TESTPAGEFLAG(uname, lname, policy) \ static __always_inline int Page##uname(struct page *page) (https://elixir.bootlin.com/linux/v5.0.5/source/include/linux/page-flags.h#L215) See, it is simple :) Thanks, Igor _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
