Imbus/xv6-riscv-kernel
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standardize various * conventions

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rsc 2006-09-06 17:27:19 +00:00
parent 03b6376f56
commit 9e9bcaf143
43 changed files with 503 additions and 503 deletions
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16
kalloc.c
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@ -34,10 +34,10 @@ kinit(void)
extern int end;
uint mem;
char *start;
initlock(&kalloc_lock, "kalloc");
start = (char *) &end;
start = (char *) (((uint)start + PAGE) & ~(PAGE-1));
start = (char*) &end;
start = (char*) (((uint)start + PAGE) & ~(PAGE-1));
mem = 256; // assume 256 pages of RAM
cprintf("mem = %d\n", mem * PAGE);
kfree(start, mem * PAGE);
@ -47,8 +47,8 @@ void
kfree(char *cp, int len)
{
struct run **rr;
struct run *p = (struct run *) cp;
struct run *pend = (struct run *) (cp + len);
struct run *p = (struct run*) cp;
struct run *pend = (struct run*) (cp + len);
int i;
if(len % PAGE)
@ -62,7 +62,7 @@ kfree(char *cp, int len)
rr = &freelist;
while(*rr){
struct run *rend = (struct run *) ((char *)(*rr) + (*rr)->len);
struct run *rend = (struct run*) ((char*)(*rr) + (*rr)->len);
if(p >= *rr && p < rend)
panic("freeing free page");
if(pend == *rr){
@ -116,10 +116,10 @@ kalloc(int n)
if(r->len == n){
*rr = r->next;
release(&kalloc_lock);
return (char *) r;
return (char*) r;
}
if(r->len > n){
char *p = (char *)r + (r->len - n);
char *p = (char*)r + (r->len - n);
r->len -= n;
release(&kalloc_lock);
return p;