提交 ff2afb9d 编写于 作者: R Russell King 提交者: Russell King

[PATCH] ARM: Fix ARM fault handler for get_user_pages() fixes.

The ARM fault handler is optimised to make the fast path, err, fast.
The renumbering of the VM_FAULT_* codes broke this because numbers
were used instead of the definitions.  Fix this.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
上级 d95a1b48
......@@ -238,9 +238,9 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
up_read(&mm->mmap_sem);
/*
* Handle the "normal" case first
* Handle the "normal" case first - VM_FAULT_MAJOR / VM_FAULT_MINOR
*/
if (fault > 0)
if (fault >= VM_FAULT_MINOR)
return 0;
/*
......@@ -261,7 +261,7 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
do_exit(SIGKILL);
return 0;
case 0:
case VM_FAULT_SIGBUS:
/*
* We had some memory, but were unable to
* successfully fix up this page fault.
......
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