[LTP] [PATCH] ksm: mempolicy syscalls not implemented

[LTP] [PATCH] ksm: mempolicy syscalls not implemented

[Caspar Zhang]

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since NUMA is only supported on a few i386 systems, mempolicy syscalls
([gs]et_mempolicy, mbind) may not implemented, thus, an ENOSYS errno
should be acceptable.

Signed-off-by: Caspar Zhang <czhang@redhat.com>
---
 testcases/kernel/mem/ksm/ksm02.c |    9 +++++++--
 testcases/kernel/mem/ksm/ksm04.c |    9 +++++++--
 2 files changed, 14 insertions(+), 4 deletions(-)


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[-- Attachment #2: 0003-ksm-mempolicy-syscalls-not-implemented.patch --]
[-- Type: text/x-patch; name="0003-ksm-mempolicy-syscalls-not-implemented.patch", Size: 1416 bytes --]

diff --git a/testcases/kernel/mem/ksm/ksm02.c b/testcases/kernel/mem/ksm/ksm02.c
index 33ed887..3ae4c08 100644
--- a/testcases/kernel/mem/ksm/ksm02.c
+++ b/testcases/kernel/mem/ksm/ksm02.c
@@ -102,8 +102,13 @@ int main(int argc, char *argv[])
 		Tst_count = 0;
 		check_ksm_options(&size, &num, &unit);
 
-		if (set_mempolicy(MPOL_BIND, &nmask, MAXNODES) == -1)
-			tst_brkm(TBROK|TERRNO, cleanup, "set_mempolicy");
+		if (set_mempolicy(MPOL_BIND, &nmask, MAXNODES) == -1) {
+			if (errno != ENOSYS)
+				tst_brkm(TBROK|TERRNO, cleanup, "set_mempolicy");
+			else
+				tst_resm(TCONF, cleanup,
+					"set_mempolicy syscall is not implemented on your system.");
+		}
 		create_same_memory(size, num, unit);
 
 		write_cpusets();
diff --git a/testcases/kernel/mem/ksm/ksm04.c b/testcases/kernel/mem/ksm/ksm04.c
index 8bb791e..5121111 100644
--- a/testcases/kernel/mem/ksm/ksm04.c
+++ b/testcases/kernel/mem/ksm/ksm04.c
@@ -104,8 +104,13 @@ int main(int argc, char *argv[])
 
 		write_memcg();
 
-		if (set_mempolicy(MPOL_BIND, &nmask, MAXNODES) == -1)
-			tst_brkm(TBROK|TERRNO, cleanup, "set_mempolicy");
+		if (set_mempolicy(MPOL_BIND, &nmask, MAXNODES) == -1) {
+			if (errno != ENOSYS)
+				tst_brkm(TBROK|TERRNO, cleanup, "set_mempolicy");
+			else
+				tst_resm(TCONF, cleanup,
+					"set_mempolicy syscall is not implemented on your system.");
+		}
 		create_same_memory(size, num, unit);
 
 		write_cpusets();

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Re: [LTP] [PATCH] ksm: mempolicy syscalls not implemented

[Caspar Zhang]

On 04/12/2011 04:13 PM, Caspar Zhang wrote:
> 
> since NUMA is only supported on a few i386 systems, mempolicy syscalls
> ([gs]et_mempolicy, mbind) may not implemented, thus, an ENOSYS errno
> should be acceptable.
> 
> Signed-off-by: Caspar Zhang <czhang@redhat.com>
> ---
>  testcases/kernel/mem/ksm/ksm02.c |    9 +++++++--
>  testcases/kernel/mem/ksm/ksm04.c |    9 +++++++--
>  2 files changed, 14 insertions(+), 4 deletions(-)
> 

Hi, anyone can review this patch and get it merged if suitable?

Thanks,
Caspar

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Re: [LTP] [PATCH] ksm: mempolicy syscalls not implemented

[Cyril Hrubis]

Hi!
Commited.

-- 
Cyril Hrubis
chrubis@suse.cz

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