Set swiotlb to 4MB.

diff --git a/master/series b/master/series
index bd448e18519115af8dd090c076c01f84d40c799a..6c5c01538414a9c54b187d34e61e01266e06716c 100644 (file)
--- a/master/series
+++ b/master/series
@@ -305,6 +305,7 @@ sysrq-loglevel
 #
 # XenClient
 #
+swiotlb-mem-limit
 xen-acpi-wmi
 pass2-driver
 on-the-fly-cx-change

diff --git a/master/swiotlb-mem-limit b/master/swiotlb-mem-limit
new file mode 100644 (file)
index 0000000..15008ff
--- /dev/null
+++ b/master/swiotlb-mem-limit
@@ -0,0 +1,13 @@
+diff --git a/lib/swiotlb-xen.c b/lib/swiotlb-xen.c
+index f46899f..96e1770 100644
+--- a/lib/swiotlb-xen.c
++++ b/lib/swiotlb-xen.c
+@@ -225,7 +225,7 @@ void __init
+ swiotlb_init(void)
+ {
+       unsigned long ram_end;
+-      size_t defsz = 64 << 20; /* 64MB default size */
++      size_t defsz = 4 << 20; /* 4MB default size */
+ 
+       if (swiotlb_force == 1) {
+               swiotlb = 1;