1031.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 linuxmips-2.4.30.ref/include/linux/slab.h linuxmips-2.4.30/include/linux/slab.h
--- linuxmips-2.4.30.ref/include/linux/slab.h	2007-01-16 11:57:58.000000000 -0800
+++ linuxmips-2.4.30/include/linux/slab.h	2007-01-16 11:59:17.000000000 -0800
@@ -59,6 +59,8 @@
 extern void kmem_cache_free(kmem_cache_t *, void *);
 extern unsigned int kmem_cache_size(kmem_cache_t *);
 
+#define MAX_KMALLOC_ORDER       8  /* 2^8 pages max per kmalloc */
+
 extern void *kmalloc(size_t, int);
 extern void kfree(const void *);
 
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 linuxmips-2.4.30.ref/mm/slab.c linuxmips-2.4.30/mm/slab.c
--- linuxmips-2.4.30.ref/mm/slab.c	2007-01-16 11:57:58.000000000 -0800
+++ linuxmips-2.4.30/mm/slab.c	2007-01-16 11:59:30.000000000 -0800
@@ -304,7 +304,7 @@
 #endif
 
 /* maximum size of an obj (in 2^order pages) */
-#define	MAX_OBJ_ORDER	5	/* 32 pages */
+#define	MAX_OBJ_ORDER	MAX_KMALLOC_ORDER
 
 /*
  * Do not go above this order unless 0 objects fit into the slab.
@@ -316,7 +316,7 @@
 /*
  * Absolute limit for the gfp order
  */
-#define	MAX_GFP_ORDER	5	/* 32 pages */
+#define	MAX_GFP_ORDER	MAX_KMALLOC_ORDER
 
 
 /* Macros for storing/retrieving the cachep and or slab from the
@@ -351,6 +351,33 @@
 	{ 32768,	NULL, NULL},
 	{ 65536,	NULL, NULL},
 	{131072,	NULL, NULL},
+#if (MAX_KMALLOC_ORDER > 5)
+	{262144,	NULL, NULL},
+#endif
+#if (MAX_KMALLOC_ORDER > 6)
+	{524288,	NULL, NULL},
+#endif
+#if (MAX_KMALLOC_ORDER > 7)
+	{1048576,	NULL, NULL},
+#endif
+#if (MAX_KMALLOC_ORDER > 8)
+	{2097152,       NULL, NULL},
+#endif
+#if (MAX_KMALLOC_ORDER > 9)
+	{4194304,       NULL, NULL},
+#endif
+#if (MAX_KMALLOC_ORDER > 10)
+	{8388608,       NULL, NULL},
+#endif
+#if (MAX_KMALLOC_ORDER > 11)
+	{16777216,       NULL, NULL},
+#endif
+#if (MAX_KMALLOC_ORDER > 12)
+	{33554432,       NULL, NULL},
+#endif
+#if (MAX_KMALLOC_ORDER > 13)
+#error MAX_KMALLOC_ORDER is too big!
+#endif
 	{     0,	NULL, NULL}
 };
 
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 linuxmips-2.4.30.ref/README.1031.kmalloc.patch linuxmips-2.4.30/README.1031.kmalloc.patch
--- linuxmips-2.4.30.ref/README.1031.kmalloc.patch	1969-12-31 16:00:00.000000000 -0800
+++ linuxmips-2.4.30/README.1031.kmalloc.patch	2007-01-16 12:00:53.000000000 -0800
@@ -0,0 +1,18 @@
+Feature:
+--------
+Increase maximum size of kmalloc from 128KB to 1MB, or beyond.
+
+Prerequisite patch numbers:
+---------------------------
+none
+
+Primary author:
+---------------
+YH Lin
+
+Related to which chip version SMP86xx xx=?
+-----------------------------------------
+all
+
+(linux patches) which CONFIG_... are provided:
+----------------------------------------------