patch-2.4.3 linux/arch/parisc/mm/fault.c
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- Lines: 35
- Date:
Mon Mar 19 12:37:16 2001
- Orig file:
v2.4.2/linux/arch/parisc/mm/fault.c
- Orig date:
Tue Dec 5 12:29:39 2000
diff -u --recursive --new-file v2.4.2/linux/arch/parisc/mm/fault.c linux/arch/parisc/mm/fault.c
@@ -175,7 +175,7 @@
if (in_interrupt() || !mm)
goto no_context;
- down(&mm->mmap_sem);
+ down_read(&mm->mmap_sem);
vma = pa_find_vma(mm, address);
if (!vma)
goto bad_area;
@@ -218,14 +218,14 @@
default:
goto out_of_memory;
}
- up(&mm->mmap_sem);
+ up_read(&mm->mmap_sem);
return;
/*
* Something tried to access memory that isn't in our memory map..
*/
bad_area:
- up(&mm->mmap_sem);
+ up_read(&mm->mmap_sem);
if (user_mode(regs)) {
struct siginfo si;
@@ -275,7 +275,7 @@
parisc_terminate("Bad Address (null pointer deref?)",regs,code,address);
out_of_memory:
- up(&mm->mmap_sem);
+ up_read(&mm->mmap_sem);
printk("VM: killing process %s\n", current->comm);
if (user_mode(regs))
do_exit(SIGKILL);
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