From: Davidlohr Bueso <dave@xxxxxxxxxxxx> This becomes quite straightforward with the mmrange in place. Signed-off-by: Davidlohr Bueso <dbueso@xxxxxxx> --- arch/cris/mm/fault.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/cris/mm/fault.c b/arch/cris/mm/fault.c index 16af16d77269..decc8f1fbc9d 100644 --- a/arch/cris/mm/fault.c +++ b/arch/cris/mm/fault.c @@ -122,7 +122,7 @@ do_page_fault(unsigned long address, struct pt_regs *regs, if (user_mode(regs)) flags |= FAULT_FLAG_USER; retry: - down_read(&mm->mmap_sem); + mm_read_lock(mm, &mmrange); vma = find_vma(mm, address); if (!vma) goto bad_area; @@ -205,7 +205,7 @@ do_page_fault(unsigned long address, struct pt_regs *regs, } } - up_read(&mm->mmap_sem); + mm_read_unlock(mm, &mmrange); return; /* @@ -214,7 +214,7 @@ do_page_fault(unsigned long address, struct pt_regs *regs, */ bad_area: - up_read(&mm->mmap_sem); + mm_read_unlock(mm, &mmrange); bad_area_nosemaphore: DPG(show_registers(regs)); @@ -286,14 +286,14 @@ do_page_fault(unsigned long address, struct pt_regs *regs, */ out_of_memory: - up_read(&mm->mmap_sem); + mm_read_unlock(mm, &mmrange); if (!user_mode(regs)) goto no_context; pagefault_out_of_memory(); return; do_sigbus: - up_read(&mm->mmap_sem); + mm_read_unlock(mm, &mmrange); /* * Send a sigbus, regardless of whether we were in kernel -- 2.13.6 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
