Use the common kernel style to eliminate a warning: ./arch/um/include/asm/pgtable.h:305:47: warning: suggest braces around empty body in ‘do’ statement [-Wempty-body] #define update_mmu_cache(vma,address,ptep) do ; while (0) ^ mm/filemap.c:3212:3: note: in expansion of macro ‘update_mmu_cache’ update_mmu_cache(vma, addr, vmf->pte); ^~~~~~~~~~~~~~~~
Signed-off-by: Randy Dunlap <rdun...@infradead.org> Cc: Jeff Dike <jd...@addtoit.com> Cc: Richard Weinberger <rich...@nod.at> Cc: Anton Ivanov <anton.iva...@cambridgegreys.com> Cc: linux...@lists.infradead.org --- arch/um/include/asm/pgtable.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-next-20210413.orig/arch/um/include/asm/pgtable.h +++ linux-next-20210413/arch/um/include/asm/pgtable.h @@ -302,7 +302,7 @@ static inline pte_t pte_modify(pte_t pte struct mm_struct; extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr); -#define update_mmu_cache(vma,address,ptep) do ; while (0) +#define update_mmu_cache(vma,address,ptep) do {} while (0) /* Encode and de-code a swap entry */ #define __swp_type(x) (((x).val >> 5) & 0x1f)