generic_max_swapfile_size 975 arch/x86/mm/init.c pages = generic_max_swapfile_size(); generic_max_swapfile_size 13 include/linux/swapfile.h extern unsigned long generic_max_swapfile_size(void); generic_max_swapfile_size 2924 mm/swapfile.c return generic_max_swapfile_size();