[PATCH bpf-next] bpf: handle MADV_PAGEOUT error in uprobe_multi.c

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From: Jason Xing <kernelxing@xxxxxxxxxxx>

When I compiled the tools/testing/selftests/bpf, the following error
pops out:
uprobe_multi.c: In function ‘trigger_uprobe’:
uprobe_multi.c:109:26: error: ‘MADV_PAGEOUT’ undeclared (first use in this function); did you mean ‘MADV_RANDOM’?
   madvise(addr, page_sz, MADV_PAGEOUT);
                          ^~~~~~~~~~~~
                          MADV_RANDOM

We can see MADV_PAGEOUT existing in mman-common.h on x86 arch, so
including this header file solves this compilation error.

Signed-off-by: Jason Xing <kernelxing@xxxxxxxxxxx>
---
 tools/testing/selftests/bpf/uprobe_multi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/bpf/uprobe_multi.c b/tools/testing/selftests/bpf/uprobe_multi.c
index c7828b13e5ff..b0e11ffe0e1c 100644
--- a/tools/testing/selftests/bpf/uprobe_multi.c
+++ b/tools/testing/selftests/bpf/uprobe_multi.c
@@ -5,6 +5,7 @@
 #include <stdbool.h>
 #include <stdint.h>
 #include <sys/mman.h>
+#include <mman-common.h>
 #include <unistd.h>
 #include <sdt.h>
 
-- 
2.37.3





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