This is a note to let you know that I've just added the patch titled
mm: drop unused pmdp_huge_get_and_clear_notify()
to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: mm-drop-unused-pmdp_huge_get_and_clear_notify.patch and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From c0c379e2931b05facef538e53bf3b21f283d9a0b Mon Sep 17 00:00:00 2001
From: "Kirill A. Shutemov" kirill.shutemov@linux.intel.com Date: Thu, 13 Apr 2017 14:56:23 -0700 Subject: mm: drop unused pmdp_huge_get_and_clear_notify()
From: Kirill A. Shutemov kirill.shutemov@linux.intel.com
commit c0c379e2931b05facef538e53bf3b21f283d9a0b upstream.
Dave noticed that after fixing MADV_DONTNEED vs numa balancing race the last pmdp_huge_get_and_clear_notify() user is gone.
Let's drop the helper.
Link: http://lkml.kernel.org/r/20170306112047.24809-1-kirill.shutemov@linux.intel.... Signed-off-by: Kirill A. Shutemov kirill.shutemov@linux.intel.com Cc: Dave Hansen dave.hansen@intel.com Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Linus Torvalds torvalds@linux-foundation.org [jwang: adjust context for 4.4] Signed-off-by: Jack Wang jinpu.wang@profitbricks.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- include/linux/mmu_notifier.h | 13 ------------- 1 file changed, 13 deletions(-)
--- a/include/linux/mmu_notifier.h +++ b/include/linux/mmu_notifier.h @@ -381,18 +381,6 @@ static inline void mmu_notifier_mm_destr ___pmd; \ })
-#define pmdp_huge_get_and_clear_notify(__mm, __haddr, __pmd) \ -({ \ - unsigned long ___haddr = __haddr & HPAGE_PMD_MASK; \ - pmd_t ___pmd; \ - \ - ___pmd = pmdp_huge_get_and_clear(__mm, __haddr, __pmd); \ - mmu_notifier_invalidate_range(__mm, ___haddr, \ - ___haddr + HPAGE_PMD_SIZE); \ - \ - ___pmd; \ -}) - /* * set_pte_at_notify() sets the pte _after_ running the notifier. * This is safe to start by updating the secondary MMUs, because the primary MMU @@ -475,7 +463,6 @@ static inline void mmu_notifier_mm_destr #define pmdp_clear_young_notify pmdp_test_and_clear_young #define ptep_clear_flush_notify ptep_clear_flush #define pmdp_huge_clear_flush_notify pmdp_huge_clear_flush -#define pmdp_huge_get_and_clear_notify pmdp_huge_get_and_clear #define set_pte_at_notify set_pte_at
#endif /* CONFIG_MMU_NOTIFIER */
Patches currently in stable-queue which might be from kirill.shutemov@linux.intel.com are
queue-4.4/mm-drop-unused-pmdp_huge_get_and_clear_notify.patch queue-4.4/thp-fix-madv_dontneed-vs.-numa-balancing-race.patch queue-4.4/thp-reduce-indentation-level-in-change_huge_pmd.patch