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47 lines
1.3 KiB
Diff
47 lines
1.3 KiB
Diff
From c265971648f82464a76f797c4c20a09def078be9 Mon Sep 17 00:00:00 2001
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From: Andi Kleen <ak@linux.intel.com>
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Date: Thu, 16 May 2024 09:03:24 -0700
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Subject: [PATCH] Don't fail build when set_mempolicy_home_node syscall is
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unknown
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Instead just warn at build and return ENOSYS. This fixes build
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on architectures like arm without kernel headers installed.
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Fixes #219
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Upstream: https://github.com/numactl/numactl/commit/87342c3b9a42aadbe1398ca8233d13ab524aa64f
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Signed-off-by: Andi Kleen <ak@linux.intel.com>
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---
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syscall.c | 7 ++++++-
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1 file changed, 6 insertions(+), 1 deletion(-)
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diff --git a/syscall.c b/syscall.c
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index 63b3e53..392f736 100644
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--- a/syscall.c
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+++ b/syscall.c
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@@ -144,7 +144,7 @@
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#if defined(__x86_64__) || defined(__aarch64__)
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#define __NR_set_mempolicy_home_node 450
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#else
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-#error "Add syscalls for your architecture or update kernel headers"
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+#warning "Add syscalls for your architecture or update kernel headers"
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#endif
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#endif
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@@ -261,7 +261,12 @@ long WEAK move_pages(int pid, unsigned long count,
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int WEAK set_mempolicy_home_node(void *start, unsigned long len, int home_node, int flags)
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{
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+#ifndef __NR_set_mempolicy_home_node
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+ errno = ENOSYS;
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+ return -1;
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+#else
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return syscall(__NR_set_mempolicy_home_node, start, len, home_node, flags);
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+#endif
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}
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/* SLES8 glibc doesn't define those */
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--
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2.46.2
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