Klara Modin reported the following build error: In file included from /home/klara/git/linux/arch/riscv/include/asm/kfence.h:8, from /home/klara/git/linux/mm/kfence/core.c:34: /home/klara/git/linux/include/asm-generic/pgalloc.h: In function ‘p4d_free’: /home/klara/git/linux/include/asm-generic/pgalloc.h:252:24: error: passing argument 2 of ‘__p4d_free’ from incompatible pointer type [-Wincompatible-pointer-types] 252 | __p4d_free(mm, p4d); | ^~~ | | | pud_t * /home/klara/git/linux/include/asm-generic/pgalloc.h:244:60: note: expected ‘p4d_t *’ but argument is of type ‘pud_t *’ 244 | static inline void __p4d_free(struct mm_struct *mm, p4d_t *p4d) | ~~~~~~~^~~ In file included from /home/klara/git/linux/arch/riscv/include/asm/kfence.h:8, from /home/klara/git/linux/mm/kfence/report.c:22: /home/klara/git/linux/include/asm-generic/pgalloc.h: In function ‘p4d_free’: /home/klara/git/linux/include/asm-generic/pgalloc.h:252:24: error: passing argument 2 of ‘__p4d_free’ from incompatible pointer type [-Wincompatible-pointer-types] 252 | __p4d_free(mm, p4d); | ^~~ | | | pud_t * /home/klara/git/linux/include/asm-generic/pgalloc.h:244:60: note: expected ‘p4d_t *’ but argument is of type ‘pud_t *’ 244 | static inline void __p4d_free(struct mm_struct *mm, p4d_t *p4d) | Just fix it. Reported-by: Klara Modin <klarasmodin@xxxxxxxxx> Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> --- include/asm-generic/pgalloc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/asm-generic/pgalloc.h b/include/asm-generic/pgalloc.h index 370f5b579ff88..e73416b2b53a8 100644 --- a/include/asm-generic/pgalloc.h +++ b/include/asm-generic/pgalloc.h @@ -247,7 +247,7 @@ static inline void __p4d_free(struct mm_struct *mm, p4d_t *p4d) } #ifndef __HAVE_ARCH_P4D_FREE -static inline void p4d_free(struct mm_struct *mm, pud_t *p4d) +static inline void p4d_free(struct mm_struct *mm, p4d_t *p4d) { __p4d_free(mm, p4d); } -- 2.20.1