Hi Linus,
This fixes a problem introduced by the pageattr ioremap/unmap patches.
iounmap lost the ability to free non page aligned addresses, which
are e.g. used by the bootflag code. This patch fixes this.
Also fix a potential off by one bug.
-Andi
--- linux-work/arch/i386/mm/ioremap.c.~2~ Tue Jun 18 02:13:09 2002
+++ linux/arch/i386/mm/ioremap.c Fri Jun 21 14:42:23 2002
@@ -213,9 +213,9 @@
void iounmap(void *addr)
{
struct vm_struct *p;
- if (addr < high_memory)
+ if (addr <= high_memory)
return;
- p = remove_kernel_area(addr);
+ p = remove_kernel_area(PAGE_MASK & (unsigned long) addr);
if (!p) {
printk("__iounmap: bad address %p\n", addr);
return;
-
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This archive was generated by hypermail 2b29 : Mon Jul 15 2002 - 22:00:15 EST