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[WANROUTER]: Kill kmalloc debugging code.

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It duplicates what SLAB debug can do already.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-12-07 00:18:22 -08:00
parent 905eee008b
commit 456c38f968
1 changed files with 0 additions and 57 deletions
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57
net/wanrouter/wanmain.c
View file

@ -62,63 +62,6 @@
#define KMEM_SAFETYZONE 8 #define KMEM_SAFETYZONE 8
/***********FOR DEBUGGING PURPOSES*********************************************
static void * dbg_kmalloc(unsigned int size, int prio, int line) {
int i = 0;
void * v = kmalloc(size+sizeof(unsigned int)+2*KMEM_SAFETYZONE*8,prio);
char * c1 = v;
c1 += sizeof(unsigned int);
*((unsigned int *)v) = size;
for (i = 0; i < KMEM_SAFETYZONE; i++) {
c1[0] = 'D'; c1[1] = 'E'; c1[2] = 'A'; c1[3] = 'D';
c1[4] = 'B'; c1[5] = 'E'; c1[6] = 'E'; c1[7] = 'F';
c1 += 8;
}
c1 += size;
for (i = 0; i < KMEM_SAFETYZONE; i++) {
c1[0] = 'M'; c1[1] = 'U'; c1[2] = 'N'; c1[3] = 'G';
c1[4] = 'W'; c1[5] = 'A'; c1[6] = 'L'; c1[7] = 'L';
c1 += 8;
}
v = ((char *)v) + sizeof(unsigned int) + KMEM_SAFETYZONE*8;
printk(KERN_INFO "line %d kmalloc(%d,%d) = %p\n",line,size,prio,v);
return v;
}
static void dbg_kfree(void * v, int line) {
unsigned int * sp = (unsigned int *)(((char *)v) - (sizeof(unsigned int) + KMEM_SAFETYZONE*8));
unsigned int size = *sp;
char * c1 = ((char *)v) - KMEM_SAFETYZONE*8;
int i = 0;
for (i = 0; i < KMEM_SAFETYZONE; i++) {
if ( c1[0] != 'D' || c1[1] != 'E' || c1[2] != 'A' || c1[3] != 'D'
|| c1[4] != 'B' || c1[5] != 'E' || c1[6] != 'E' || c1[7] != 'F') {
printk(KERN_INFO "kmalloced block at %p has been corrupted (underrun)!\n",v);
printk(KERN_INFO " %4x: %2x %2x %2x %2x %2x %2x %2x %2x\n", i*8,
c1[0],c1[1],c1[2],c1[3],c1[4],c1[5],c1[6],c1[7] );
}
c1 += 8;
}
c1 += size;
for (i = 0; i < KMEM_SAFETYZONE; i++) {
if ( c1[0] != 'M' || c1[1] != 'U' || c1[2] != 'N' || c1[3] != 'G'
|| c1[4] != 'W' || c1[5] != 'A' || c1[6] != 'L' || c1[7] != 'L'
) {
printk(KERN_INFO "kmalloced block at %p has been corrupted (overrun):\n",v);
printk(KERN_INFO " %4x: %2x %2x %2x %2x %2x %2x %2x %2x\n", i*8,
c1[0],c1[1],c1[2],c1[3],c1[4],c1[5],c1[6],c1[7] );
}
c1 += 8;
}
printk(KERN_INFO "line %d kfree(%p)\n",line,v);
v = ((char *)v) - (sizeof(unsigned int) + KMEM_SAFETYZONE*8);
kfree(v);
}
#define kmalloc(x,y) dbg_kmalloc(x,y,__LINE__)
#define kfree(x) dbg_kfree(x,__LINE__)
*****************************************************************************/
/* /*
* Function Prototypes * Function Prototypes
*/ */