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Subject[PATCH] subpage_prot.2: SYNOPSIS: Fix return type: s/long/int/
Date
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@gmail.com>
---
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
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