#include <asm/processor.h>
#include <asm/sysreg.h>
#include <asm/system_misc.h>
-#include <asm/pgtable.h>
#include <asm/tlbflush.h>
#include <asm/traps.h>
* validly references user space from well defined areas of the code,
* we can bug out early if this is from code which shouldn't.
*/
- if (!down_read_trylock(&mm->mmap_sem)) {
+ if (!mmap_read_trylock(mm)) {
if (!user_mode(regs) && !search_exception_tables(regs->pc))
goto no_context;
retry:
- down_read(&mm->mmap_sem);
+ mmap_read_lock(mm);
} else {
/*
* The above down_read_trylock() might have succeeded in which
might_sleep();
#ifdef CONFIG_DEBUG_VM
if (!user_mode(regs) && !search_exception_tables(regs->pc)) {
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
goto no_context;
}
#endif
goto retry;
}
}
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
/*
* Handle the "normal" (no error) case first.