community/percona-server: fix padding of LF_PINS

1 files changed, 11 insertions, 0 deletions

diff --git a/community/percona-server/LF_PINS-size.patch b/community/percona-server/LF_PINS-size.patch
new file mode 100644
index 00000000..49518579
--- /dev/null
+++ b/community/percona-server/LF_PINS-size.patch
@@ -0,0 +1,11 @@
+--- a/include/lf.h	2019-01-23 14:23:40.167072246 +0000
++++ b/include/lf.h	2019-01-23 14:20:59.600689484 +0000
+@@ -88,7 +88,7 @@
+   std::atomic<uint64> link;
+   /* we want sizeof(LF_PINS) to be 64 to avoid false sharing */
+ #if 2 * 8 + SIZEOF_CHARP * (LF_PINBOX_PINS + 2) != 64
+-  char pad[64 - sizeof(uint32) * 2 - sizeof(void *) * (LF_PINBOX_PINS + 2)];
++  char pad[64 - (2 * 8 + SIZEOF_CHARP * (LF_PINBOX_PINS + 2))];
+ #endif
+ };
+