Hello, syzbot tried to test the proposed patch but the build/boot failed: ./include/linux/page-flags.h:309:25: error: implicit declaration of function 'folio_nr_pages'; did you mean 'folio_page'? [-Werror=implicit-function-declaration] ./include/linux/mm.h:2056:20: error: conflicting types for 'folio_nr_pages'; have 'long int(const struct folio *)' Tested on: commit: 9f16d5e6 Merge tag 'for-linus' of git://git.kernel.org.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=c4515f1b6a4e50b7 dashboard link: https://syzkaller.appspot.com/bug?extid=9f9a7f73fb079b2387a6 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=1718a5c0580000
