The Linux kernel uses 'int' instead of 'long' for the return type. As glibc provides no wrapper, use the same type the kernel uses. ...... $ grep -n wrapper man-pages/man2/subpage_prot.2 40:There is no glibc wrapper for this system call; see NOTES. 99:Glibc does not provide a wrapper for this system call; call it using $ grep -rn SYSCALL_DEFINE.*subpage_prot linux/; linux/arch/powerpc/mm/book3s64/subpage_prot.c:190: SYSCALL_DEFINE3(subpage_prot, unsigned long, addr, $ sed -n /SYSCALL.*subpage_prot/,/^}/p \ linux/arch/powerpc/mm/book3s64/subpage_prot.c \ |grep return; return -ENOENT; return -EINVAL; return -EINVAL; return 0; return -EFAULT; return -EFAULT; return err; $ sed -n /SYSCALL.*subpage_prot/,/^}/p \ linux/arch/powerpc/mm/book3s64/subpage_prot.c \ |grep '\<err\>'; int err; err = -ENOMEM; err = -ENOMEM; err = 0; return err; Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx> --- man2/subpage_prot.2 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/man2/subpage_prot.2 b/man2/subpage_prot.2 index b38ba718f..d6f016665 100644 --- a/man2/subpage_prot.2 +++ b/man2/subpage_prot.2 @@ -32,7 +32,7 @@ subpage_prot \- define a subpage protection for an address range .SH SYNOPSIS .nf -.BI "long subpage_prot(unsigned long " addr ", unsigned long " len , +.BI "int subpage_prot(unsigned long " addr ", unsigned long " len , .BI " uint32_t *" map ); .fi .PP -- 2.29.2
