1016.kmalloc.patch

sm86xx内核源包括补丁（ GPL ）的

diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linux-2.6.15.ref/include/linux/kmalloc_sizes.h linux-2.6.15/include/linux/kmalloc_sizes.h
--- linux-2.6.15.ref/include/linux/kmalloc_sizes.h	2006-12-27 16:39:06.000000000 -0800
+++ linux-2.6.15/include/linux/kmalloc_sizes.h	2006-12-27 16:44:20.000000000 -0800
@@ -19,10 +19,10 @@
 	CACHE(32768)
 	CACHE(65536)
 	CACHE(131072)
-#ifndef CONFIG_MMU
 	CACHE(262144)
 	CACHE(524288)
 	CACHE(1048576)
+#ifndef CONFIG_MMU
 #ifdef CONFIG_LARGE_ALLOCS
 	CACHE(2097152)
 	CACHE(4194304)
@@ -30,4 +30,25 @@
 	CACHE(16777216)
 	CACHE(33554432)
 #endif /* CONFIG_LARGE_ALLOCS */
+#else
+#ifdef MAX_KMALLOC_ORDER
+#if (MAX_KMALLOC_ORDER > 8)
+	CACHE(2097152)
+#endif
+#if (MAX_KMALLOC_ORDER > 9)
+	CACHE(4194304)
+#endif
+#if (MAX_KMALLOC_ORDER > 10)
+	CACHE(8388608)
+#endif
+#if (MAX_KMALLOC_ORDER > 11)
+	CACHE(16777216)
+#endif
+#if (MAX_KMALLOC_ORDER > 12)
+	CACHE(33554432)
+#endif
+#if (MAX_KMALLOC_ORDER > 13)
+#error MAX_KMALLOC_ORDER is too big!
+#endif
+#endif
 #endif /* CONFIG_MMU */
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linux-2.6.15.ref/include/linux/slab.h linux-2.6.15/include/linux/slab.h
--- linux-2.6.15.ref/include/linux/slab.h	2006-12-27 16:39:06.000000000 -0800
+++ linux-2.6.15/include/linux/slab.h	2006-12-27 16:43:17.000000000 -0800
@@ -76,6 +76,8 @@
 extern struct cache_sizes malloc_sizes[];
 extern void *__kmalloc(size_t, gfp_t);
 
+#define MAX_KMALLOC_ORDER    8  /* 2^8 pages max */
+
 static inline void *kmalloc(size_t size, gfp_t flags)
 {
 	if (__builtin_constant_p(size)) {
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linux-2.6.15.ref/mm/slab.c linux-2.6.15/mm/slab.c
--- linux-2.6.15.ref/mm/slab.c	2006-12-27 16:39:06.000000000 -0800
+++ linux-2.6.15/mm/slab.c	2006-12-27 16:45:20.000000000 -0800
@@ -551,8 +551,13 @@
 #define	MAX_OBJ_ORDER	13	/* up to 32Mb */
 #define	MAX_GFP_ORDER	13	/* up to 32Mb */
 #elif defined(CONFIG_MMU)
-#define	MAX_OBJ_ORDER	5	/* 32 pages */
-#define	MAX_GFP_ORDER	5	/* 32 pages */
+#ifdef MAX_KMALLOC_ORDER
+#define	MAX_OBJ_ORDER   MAX_KMALLOC_ORDER
+#define	MAX_GFP_ORDER   MAX_KMALLOC_ORDER
+#else
+#define	MAX_OBJ_ORDER	8	/* 256 pages */
+#define	MAX_GFP_ORDER	8	/* 256 pages */
+#endif
 #else
 #define	MAX_OBJ_ORDER	8	/* up to 1Mb */
 #define	MAX_GFP_ORDER	8	/* up to 1Mb */
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linux-2.6.15.ref/README.1016.kmalloc.patch linux-2.6.15/README.1016.kmalloc.patch
--- linux-2.6.15.ref/README.1016.kmalloc.patch	1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.15/README.1016.kmalloc.patch	2006-12-27 16:46:33.000000000 -0800
@@ -0,0 +1,18 @@
+Feature:
+--------
+Increase maximum kmalloc size from 128KB to 1MB.
+
+Prerequisite patch numbers:
+---------------------------
+none
+
+Primary author:
+---------------
+YH Lin
+
+Related to which chip version SMP86xx xx=?
+-----------------------------------------
+all
+
+(linux patches) which CONFIG_... are provided:
+----------------------------------------------