From: Cliff Wickman <[email protected]>
Fix for the theoretical case in which there is a socket 1 on a blade
with no socket 0.
Only call make_per_cpu_thp() for present sockets.
We have only seen this fail for internal configurations.
Diffed against 3.0.0-rc3
Signed-off-by: Cliff Wickman <[email protected]>
---
arch/x86/platform/uv/tlb_uv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux/arch/x86/platform/uv/tlb_uv.c
===================================================================
--- linux.orig/arch/x86/platform/uv/tlb_uv.c
+++ linux/arch/x86/platform/uv/tlb_uv.c
@@ -1752,10 +1752,10 @@ static int __init summarize_uvhub_socket
sdp = &bdp->socket[socket];
if (scan_sock(sdp, bdp, &smaster, &hmaster))
return 1;
+ make_per_cpu_thp(smaster);
}
socket++;
socket_mask = (socket_mask >> 1);
- make_per_cpu_thp(smaster);
}
}
return 0;