linux-kernel - [PATCH v5 1/5] ia64: add __NR_old

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Message-Id: <1542092265-20956-2-git-send-email-firoz.khan@linaro.org>
Date:   Tue, 13 Nov 2018 12:27:41 +0530
From:   Firoz Khan <firoz.khan@...aro.org>
To:     linux-ia64@...r.kernel.org, Tony Luck <tony.luck@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Kate Stewart <kstewart@...uxfoundation.org>
Cc:     y2038@...ts.linaro.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org, arnd@...db.de, deepa.kernel@...il.com,
        marcin.juszkiewicz@...aro.org, firoz.khan@...aro.org
Subject: [PATCH v5 1/5] ia64: add __NR_old_getpagesize in uapi header file

sys_getpagesize entry is present in kernel/entry.S file to
support for old user interface. So we need to add an uapi
entry too.

Add __NR_old_getpagesize in uapi/asm/unistd.h in order to
not break old user space as it is reserved for backwards
compatibility with old __NR_getpagesize.

Signed-off-by: Firoz Khan <firoz.khan@...aro.org>
---
 arch/ia64/include/uapi/asm/unistd.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/ia64/include/uapi/asm/unistd.h b/arch/ia64/include/uapi/asm/unistd.h
index 5fe71d4..94b835c 100644
--- a/arch/ia64/include/uapi/asm/unistd.h
+++ b/arch/ia64/include/uapi/asm/unistd.h
@@ -161,7 +161,7 @@
 #define __NR_nanosleep			1168
 #define __NR_nfsservctl			1169
 #define __NR_prctl			1170
-/* 1171 is reserved for backwards compatibility with old __NR_getpagesize */
+#define __NR_old_getpagesize		1171
 #define __NR_mmap2			1172
 #define __NR_pciconfig_read		1173
 #define __NR_pciconfig_write		1174
-- 
1.9.1