preliminary 3.12 support

[openwrt/openwrt.git] / target / linux / generic / patches-3.12 / 900-slab_maxsize.patch

diff --git a/target/linux/generic/patches-3.12/900-slab_maxsize.patch b/target/linux/generic/patches-3.12/900-slab_maxsize.patch
new file mode 100644 (file)
index 0000000..f86496d
--- /dev/null
+++ b/target/linux/generic/patches-3.12/900-slab_maxsize.patch
@@ -0,0 +1,13 @@
+--- a/include/linux/slab.h
++++ b/include/linux/slab.h
+@@ -188,8 +188,8 @@ struct kmem_cache {
+  * to do various tricks to work around compiler limitations in order to
+  * ensure proper constant folding.
+  */
+-#define KMALLOC_SHIFT_HIGH    ((MAX_ORDER + PAGE_SHIFT - 1) <= 25 ? \
+-                              (MAX_ORDER + PAGE_SHIFT - 1) : 25)
++#define KMALLOC_SHIFT_HIGH    ((MAX_ORDER + PAGE_SHIFT - 1) <= 17 ? \
++                              (MAX_ORDER + PAGE_SHIFT - 1) : 17)
+ #define KMALLOC_SHIFT_MAX     KMALLOC_SHIFT_HIGH
+ #ifndef KMALLOC_SHIFT_LOW
+ #define KMALLOC_SHIFT_LOW     5