fs/proc/page.c

185

u |= kpf_copy_bit(k, KPF_COMPOUND_HEAD, PG_head);

include/linux/mm.h

1752

if (!test_bit(PG_head, &folio->flags.f))

include/linux/mm.h

2798

if (!test_bit(PG_head, &folio->flags.f))

include/linux/page-flags.h

322

return test_bit(PG_head, &page->flags.f) ||

include/linux/page-flags.h

346

VM_BUG_ON_PGFLAGS(n > 0 && !test_bit(PG_head, &page->flags.f), page);

include/linux/page-flags.h

355

VM_BUG_ON_PGFLAGS(n > 0 && !test_bit(PG_head, &page->flags.f), page);

include/linux/page-flags.h

843

return test_bit(PG_head, const_folio_flags(folio, FOLIO_PF_ANY));

include/linux/page-flags.h

849

return test_bit(PG_head, &page->flags.f);

include/linux/page-flags.h

880

#define PG_head_mask ((1UL << PG_head))

mm/memory-failure.c

1201

#define head (1UL << PG_head)