Andrea Arcangeli wrote:
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -44,8 +44,10 @@
({ \
int __young; \
__young = ptep_test_and_clear_young(__vma, __address, __ptep); \
- if (__young) \
+ if (__young) { \
flush_tlb_page(__vma, __address); \
+ mmu_notifier(age_page, (__vma)->vm_mm, __address); \
+ } \
__young; \
})
I think that unconditionally doing
__young |= mmu_notifier(test_and_clear_young, ...);
allows hardware with accessed bits more control over what is going on.
--
error compiling committee.c: too many arguments to function
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