#include <linux/hardirq.h>
#include <linux/kprobes.h>
#include <linux/uaccess.h>
+#include <linux/hugetlb.h>
#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/s390_ext.h>
do_no_context(regs, error_code, 0);
}
-/*
- * We ran out of memory, or some other thing happened to us that made
- * us unable to handle the page fault gracefully.
- */
-static int do_out_of_memory(struct pt_regs *regs, unsigned long error_code,
- unsigned long address)
-{
- struct task_struct *tsk = current;
- struct mm_struct *mm = tsk->mm;
-
- up_read(&mm->mmap_sem);
- if (is_global_init(tsk)) {
- yield();
- down_read(&mm->mmap_sem);
- return 1;
- }
- printk("VM: killing process %s\n", tsk->comm);
- if (regs->psw.mask & PSW_MASK_PSTATE)
- do_group_exit(SIGKILL);
- do_no_context(regs, error_code, address);
- return 0;
-}
-
static void do_sigbus(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
goto bad_area;
}
-survive:
+ if (is_vm_hugetlb_page(vma))
+ address &= HPAGE_MASK;
/*
* If for any reason at all we couldn't handle the fault,
* make sure we exit gracefully rather than endlessly redo
fault = handle_mm_fault(mm, vma, address, write);
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM) {
- if (do_out_of_memory(regs, error_code, address))
- goto survive;
+ up_read(&mm->mmap_sem);
+ pagefault_out_of_memory();
return;
} else if (fault & VM_FAULT_SIGBUS) {
do_sigbus(regs, error_code, address);