The patch titled
Subject: mm/hugetlb: add tlb_remove_hugetlb_entry for handling hugetlb pages
has been added to the -mm tree. Its filename is
mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Subject: mm/hugetlb: add tlb_remove_hugetlb_entry for handling hugetlb pages
This add tlb_remove_hugetlb_entry similar to tlb_remove_pmd_tlb_entry.
Link: http://lkml.kernel.org/r/20161026084839.27299-4-aneesh.kumar@xxxxxxxxxxxxxxxxxx
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/include/asm/tlb.h | 2 ++
arch/ia64/include/asm/tlb.h | 3 +++
arch/s390/include/asm/tlb.h | 2 ++
arch/sh/include/asm/tlb.h | 3 +++
arch/um/include/asm/tlb.h | 3 +++
include/asm-generic/tlb.h | 6 ++++++
mm/hugetlb.c | 2 +-
7 files changed, 20 insertions(+), 1 deletion(-)
diff -puN arch/arm/include/asm/tlb.h~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages arch/arm/include/asm/tlb.h
--- a/arch/arm/include/asm/tlb.h~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages
+++ a/arch/arm/include/asm/tlb.h
@@ -186,6 +186,8 @@ tlb_remove_tlb_entry(struct mmu_gather *
tlb_add_flush(tlb, addr);
}
+#define tlb_remove_huge_tlb_entry(h, tlb, ptep, address) \
+ tlb_remove_tlb_entry(tlb, ptep, address)
/*
* In the case of tlb vma handling, we can optimise these away in the
* case where we're doing a full MM flush. When we're doing a munmap,
diff -puN arch/ia64/include/asm/tlb.h~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages arch/ia64/include/asm/tlb.h
--- a/arch/ia64/include/asm/tlb.h~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages
+++ a/arch/ia64/include/asm/tlb.h
@@ -283,6 +283,9 @@ do { \
__tlb_remove_tlb_entry(tlb, ptep, addr); \
} while (0)
+#define tlb_remove_huge_tlb_entry(h, tlb, ptep, address) \
+ tlb_remove_tlb_entry(tlb, ptep, address)
+
#define pte_free_tlb(tlb, ptep, address) \
do { \
tlb->need_flush = 1; \
diff -puN arch/s390/include/asm/tlb.h~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages arch/s390/include/asm/tlb.h
--- a/arch/s390/include/asm/tlb.h~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages
+++ a/arch/s390/include/asm/tlb.h
@@ -162,5 +162,7 @@ static inline void pud_free_tlb(struct m
#define tlb_remove_tlb_entry(tlb, ptep, addr) do { } while (0)
#define tlb_remove_pmd_tlb_entry(tlb, pmdp, addr) do { } while (0)
#define tlb_migrate_finish(mm) do { } while (0)
+#define tlb_remove_huge_tlb_entry(h, tlb, ptep, address) \
+ tlb_remove_tlb_entry(tlb, ptep, address)
#endif /* _S390_TLB_H */
diff -puN arch/sh/include/asm/tlb.h~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages arch/sh/include/asm/tlb.h
--- a/arch/sh/include/asm/tlb.h~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages
+++ a/arch/sh/include/asm/tlb.h
@@ -65,6 +65,9 @@ tlb_remove_tlb_entry(struct mmu_gather *
tlb->end = address + PAGE_SIZE;
}
+#define tlb_remove_huge_tlb_entry(h, tlb, ptep, address) \
+ tlb_remove_tlb_entry(tlb, ptep, address)
+
/*
* In the case of tlb vma handling, we can optimise these away in the
* case where we're doing a full MM flush. When we're doing a munmap,
diff -puN arch/um/include/asm/tlb.h~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages arch/um/include/asm/tlb.h
--- a/arch/um/include/asm/tlb.h~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages
+++ a/arch/um/include/asm/tlb.h
@@ -141,6 +141,9 @@ static inline void tlb_remove_page_size(
__tlb_remove_tlb_entry(tlb, ptep, address); \
} while (0)
+#define tlb_remove_huge_tlb_entry(h, tlb, ptep, address) \
+ tlb_remove_tlb_entry(tlb, ptep, address)
+
#define pte_free_tlb(tlb, ptep, addr) __pte_free_tlb(tlb, ptep, addr)
#define pud_free_tlb(tlb, pudp, addr) __pud_free_tlb(tlb, pudp, addr)
diff -puN include/asm-generic/tlb.h~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages include/asm-generic/tlb.h
--- a/include/asm-generic/tlb.h~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages
+++ a/include/asm-generic/tlb.h
@@ -220,6 +220,12 @@ static inline bool __tlb_remove_pte_page
__tlb_remove_tlb_entry(tlb, ptep, address); \
} while (0)
+#define tlb_remove_huge_tlb_entry(h, tlb, ptep, address) \
+ do { \
+ __tlb_adjust_range(tlb, address, huge_page_size(h)); \
+ __tlb_remove_tlb_entry(tlb, ptep, address); \
+ } while (0)
+
/**
* tlb_remove_pmd_tlb_entry - remember a pmd mapping for later tlb invalidation
* This is a nop so far, because only x86 needs it.
diff -puN mm/hugetlb.c~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages mm/hugetlb.c
--- a/mm/hugetlb.c~mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages
+++ a/mm/hugetlb.c
@@ -3272,7 +3272,7 @@ void __unmap_hugepage_range(struct mmu_g
}
pte = huge_ptep_get_and_clear(mm, address, ptep);
- tlb_remove_tlb_entry(tlb, ptep, address);
+ tlb_remove_huge_tlb_entry(h, tlb, ptep, address);
if (huge_pte_dirty(pte))
set_page_dirty(page);
_
Patches currently in -mm which might be from aneesh.kumar@xxxxxxxxxxxxxxxxxx are
mm-hugetlb-use-the-right-pte-val-for-compare-in-hugetlb_cow.patch
mm-hugetlb-use-huge_pte_lock-instead-of-opencoding-the-lock.patch
mm-use-the-correct-page-size-when-removing-the-page.patch
mm-update-mmu_gather-range-correctly.patch
mm-hugetlb-add-tlb_remove_hugetlb_entry-for-handling-hugetlb-pages.patch
mm-add-tlb_remove_check_page_size_change-to-track-page-size-change.patch
mm-remove-the-page-size-change-check-in-tlb_remove_page.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
