[source] kernel: remove obsolete slab tuning patch

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/?p=source.git;a=commitdiff;h=08fe1c6dbc1a0bd1c5135cad3c924b3a03e815a2

commit 08fe1c6dbc1a0bd1c5135cad3c924b3a03e815a2
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Thu Aug 4 18:41:50 2016 +0200

    kernel: remove obsolete slab tuning patch
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 target/linux/generic/patches-3.18/900-slab_maxsize.patch | 13 -------------
 target/linux/generic/patches-4.1/900-slab_maxsize.patch  | 13 -------------
 target/linux/generic/patches-4.4/900-slab_maxsize.patch  | 13 -------------
 3 files changed, 39 deletions(-)

diff --git a/target/linux/generic/patches-3.18/900-slab_maxsize.patch b/target/linux/generic/patches-3.18/900-slab_maxsize.patch
deleted file mode 100644
index 9375305..0000000
--- a/target/linux/generic/patches-3.18/900-slab_maxsize.patch
+++ /dev/null
@@ -1,13 +0,0 @@
---- a/include/linux/slab.h
-+++ b/include/linux/slab.h
-@@ -172,8 +172,8 @@ size_t ksize(const void *);
-  * 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
diff --git a/target/linux/generic/patches-4.1/900-slab_maxsize.patch b/target/linux/generic/patches-4.1/900-slab_maxsize.patch
deleted file mode 100644
index 10133f2..0000000
--- a/target/linux/generic/patches-4.1/900-slab_maxsize.patch
+++ /dev/null
@@ -1,13 +0,0 @@
---- a/include/linux/slab.h
-+++ b/include/linux/slab.h
-@@ -171,8 +171,8 @@ size_t ksize(const void *);
-  * 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
diff --git a/target/linux/generic/patches-4.4/900-slab_maxsize.patch b/target/linux/generic/patches-4.4/900-slab_maxsize.patch
deleted file mode 100644
index 46390bb..0000000
--- a/target/linux/generic/patches-4.4/900-slab_maxsize.patch
+++ /dev/null
@@ -1,13 +0,0 @@
---- a/include/linux/slab.h
-+++ b/include/linux/slab.h
-@@ -189,8 +189,8 @@ size_t ksize(const void *);
-  * 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