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From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	kvm-ppc@vger.kernel.org
Cc: npiggin@gmail.com, paulus@ozlabs.org, leonardo@linux.ibm.com,
	kirill@shutemov.name,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: [PATCH v2 21/22] mm: change pmdp_huge_get_and_clear_full take vm_area_struct as arg
Date: Thu, 19 Mar 2020 09:26:08 +0530	[thread overview]
Message-ID: <20200319035609.158654-22-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20200319035609.158654-1-aneesh.kumar@linux.ibm.com>

We will use this in later patch to do tlb flush when clearing pmd entries.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
 arch/s390/include/asm/pgtable.h | 4 ++--
 include/asm-generic/pgtable.h   | 4 ++--
 mm/huge_memory.c                | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 6d7c3b7e9281..4efee8025c97 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1535,7 +1535,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,
 }
 
 #define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR_FULL
-static inline pmd_t pmdp_huge_get_and_clear_full(struct mm_struct *mm,
+static inline pmd_t pmdp_huge_get_and_clear_full(struct vm_area_struct *vma,
 						 unsigned long addr,
 						 pmd_t *pmdp, int full)
 {
@@ -1544,7 +1544,7 @@ static inline pmd_t pmdp_huge_get_and_clear_full(struct mm_struct *mm,
 		*pmdp = __pmd(_SEGMENT_ENTRY_EMPTY);
 		return pmd;
 	}
-	return pmdp_xchg_lazy(mm, addr, pmdp, __pmd(_SEGMENT_ENTRY_EMPTY));
+	return pmdp_xchg_lazy(vma->vm_mm, addr, pmdp, __pmd(_SEGMENT_ENTRY_EMPTY));
 }
 
 #define __HAVE_ARCH_PMDP_HUGE_CLEAR_FLUSH
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index e2e2bef07dd2..bb0c7dc0a3d9 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -158,11 +158,11 @@ static inline pud_t pudp_huge_get_and_clear(struct mm_struct *mm,
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 #ifndef __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR_FULL
-static inline pmd_t pmdp_huge_get_and_clear_full(struct mm_struct *mm,
+static inline pmd_t pmdp_huge_get_and_clear_full(struct vm_area_struct *vma,
 					    unsigned long address, pmd_t *pmdp,
 					    int full)
 {
-	return pmdp_huge_get_and_clear(mm, address, pmdp);
+	return pmdp_huge_get_and_clear(vma->vm_mm, address, pmdp);
 }
 #endif
 
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 24ad53b4dfc0..a5e0825cc00b 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1799,8 +1799,8 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
 	 * pgtable_trans_huge_withdraw after finishing pmdp related
 	 * operations.
 	 */
-	orig_pmd = pmdp_huge_get_and_clear_full(tlb->mm, addr, pmd,
-			tlb->fullmm);
+	orig_pmd = pmdp_huge_get_and_clear_full(vma, addr, pmd,
+						tlb->fullmm);
 	tlb_remove_pmd_tlb_entry(tlb, pmd, addr);
 	if (vma_is_dax(vma)) {
 		if (arch_needs_pgtable_deposit())
-- 
2.24.1


  parent reply	other threads:[~2020-03-19  3:58 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-19  3:55 [PATCH v2 00/22] Avoid IPI while updating page table entries Aneesh Kumar K.V
2020-03-19  3:55 ` [PATCH v2 01/22] powerpc/pkeys: Avoid using lockless page table walk Aneesh Kumar K.V
2020-04-03  0:28   ` Ram Pai
2020-04-05 13:37     ` Aneesh Kumar K.V
2020-03-19  3:55 ` [PATCH v2 02/22] powerpc/pkeys: Check vma before returning key fault error to the user Aneesh Kumar K.V
2020-03-19  3:55 ` [PATCH v2 03/22] powerpc/mm/hash64: use _PAGE_PTE when checking for pte_present Aneesh Kumar K.V
2020-03-19  3:55 ` [PATCH v2 04/22] powerpc/hash64: Restrict page table lookup using init_mm with __flush_hash_table_range Aneesh Kumar K.V
2020-03-19  3:55 ` [PATCH v2 05/22] powerpc/book3s64/hash: Use the pte_t address from the caller Aneesh Kumar K.V
2020-03-19  3:55 ` [PATCH v2 06/22] powerpc/mce: Don't reload pte val in addr_to_pfn Aneesh Kumar K.V
2020-03-19  3:55 ` [PATCH v2 07/22] powerpc/perf/callchain: Use __get_user_pages_fast in read_user_stack_slow Aneesh Kumar K.V
2020-03-19  3:55 ` [PATCH v2 08/22] powerpc/kvm/book3s: switch from raw_spin_*lock to arch_spin_lock Aneesh Kumar K.V
2020-03-19  3:55 ` [PATCH v2 09/22] powerpc/kvm/book3s: Add helper to walk partition scoped linux page table Aneesh Kumar K.V
2020-03-19  3:55 ` [PATCH v2 10/22] powerpc/kvm/nested: Add helper to walk nested shadow " Aneesh Kumar K.V
2020-03-19  3:55 ` [PATCH v2 11/22] powerpc/kvm/book3s: Use kvm helpers to walk shadow or secondary table Aneesh Kumar K.V
2020-03-19  3:55 ` [PATCH v2 12/22] powerpc/kvm/book3s: Add helper for host page table walk Aneesh Kumar K.V
2020-03-19  3:56 ` [PATCH v2 13/22] powerpc/kvm/book3s: Use find_kvm_host_pte in page fault handler Aneesh Kumar K.V
2020-03-19  3:56 ` [PATCH v2 14/22] powerpc/kvm/book3s: Use find_kvm_host_pte in h_enter Aneesh Kumar K.V
2020-03-19  3:56 ` [PATCH v2 15/22] powerpc/kvm/book3s: use find_kvm_host_pte in pute_tce functions Aneesh Kumar K.V
2020-03-19  3:56 ` [PATCH v2 16/22] powerpc/kvm/book3s: Avoid using rmap to protect parallel page table update Aneesh Kumar K.V
2020-03-19  3:56 ` [PATCH v2 17/22] powerpc/kvm/book3s: use find_kvm_host_pte in kvmppc_book3s_instantiate_page Aneesh Kumar K.V
2020-03-19  3:56 ` [PATCH v2 18/22] powerpc/kvm/book3s: Use find_kvm_host_pte in kvmppc_get_hpa Aneesh Kumar K.V
2020-03-19  3:56 ` [PATCH v2 19/22] powerpc/kvm/book3s: Use pte_present instead of opencoding _PAGE_PRESENT check Aneesh Kumar K.V
2020-03-19  3:56 ` [PATCH v2 20/22] powerpc/mm/book3s64: Avoid sending IPI on clearing PMD Aneesh Kumar K.V
2020-03-19  3:56 ` Aneesh Kumar K.V [this message]
2020-03-19  3:56 ` [PATCH v2 22/22] powerpc/mm/book3s64: Fix MADV_DONTNEED and parallel page fault race Aneesh Kumar K.V

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