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From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: linux-mm@kvack.org, akpm@linux-foundation.org
Cc: mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org,
	kaleshsingh@google.com, npiggin@gmail.com,
	joel@joelfernandes.org,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	"Kirill A . Shutemov" <kirill@shutemov.name>,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: [PATCH v2 4/6] mm/mremap: Don't enable optimized PUD move if page table levels is 2
Date: Wed, 16 Jun 2021 10:22:37 +0530	[thread overview]
Message-ID: <20210616045239.370802-5-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20210616045239.370802-1-aneesh.kumar@linux.ibm.com>

With two level page table don't enable move_normal_pud.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
 mm/mremap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/mremap.c b/mm/mremap.c
index 958ecdc6f29d..97313e316a4d 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -276,7 +276,7 @@ static inline bool move_normal_pmd(struct vm_area_struct *vma,
 }
 #endif
 
-#ifdef CONFIG_HAVE_MOVE_PUD
+#if CONFIG_PGTABLE_LEVELS > 2 && defined(CONFIG_HAVE_MOVE_PUD)
 static bool move_normal_pud(struct vm_area_struct *vma, unsigned long old_addr,
 		  unsigned long new_addr, pud_t *old_pud, pud_t *new_pud)
 {
-- 
2.31.1



WARNING: multiple messages have this Message-ID (diff)
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: linux-mm@kvack.org, akpm@linux-foundation.org
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	npiggin@gmail.com, kaleshsingh@google.com,
	joel@joelfernandes.org,
	"Kirill A . Shutemov" <kirill@shutemov.name>,
	linuxppc-dev@lists.ozlabs.org
Subject: [PATCH v2 4/6] mm/mremap: Don't enable optimized PUD move if page table levels is 2
Date: Wed, 16 Jun 2021 10:22:37 +0530	[thread overview]
Message-ID: <20210616045239.370802-5-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20210616045239.370802-1-aneesh.kumar@linux.ibm.com>

With two level page table don't enable move_normal_pud.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
 mm/mremap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/mremap.c b/mm/mremap.c
index 958ecdc6f29d..97313e316a4d 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -276,7 +276,7 @@ static inline bool move_normal_pmd(struct vm_area_struct *vma,
 }
 #endif
 
-#ifdef CONFIG_HAVE_MOVE_PUD
+#if CONFIG_PGTABLE_LEVELS > 2 && defined(CONFIG_HAVE_MOVE_PUD)
 static bool move_normal_pud(struct vm_area_struct *vma, unsigned long old_addr,
 		  unsigned long new_addr, pud_t *old_pud, pud_t *new_pud)
 {
-- 
2.31.1


  parent reply	other threads:[~2021-06-16  4:53 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-16  4:52 [PATCH v2 0/6] mrermap fixes Aneesh Kumar K.V
2021-06-16  4:52 ` Aneesh Kumar K.V
2021-06-16  4:52 ` [PATCH v2 1/6] selftest/mremap_test: Update the test to handle pagesize other than 4K Aneesh Kumar K.V
2021-06-16  4:52   ` Aneesh Kumar K.V
2021-06-16  4:52 ` [PATCH v2 2/6] selftest/mremap_test: Avoid crash with static build Aneesh Kumar K.V
2021-06-16  4:52   ` Aneesh Kumar K.V
2021-06-16  4:52 ` [PATCH v2 3/6] mm/mremap: Convert huge PUD move to separate helper Aneesh Kumar K.V
2021-06-16  4:52   ` Aneesh Kumar K.V
2021-06-16  4:52 ` Aneesh Kumar K.V [this message]
2021-06-16  4:52   ` [PATCH v2 4/6] mm/mremap: Don't enable optimized PUD move if page table levels is 2 Aneesh Kumar K.V
2021-06-16  4:52 ` [PATCH v2 5/6] mm/mremap: Use pmd/pud_poplulate to update page table entries Aneesh Kumar K.V
2021-06-16  4:52   ` Aneesh Kumar K.V
2021-06-16  4:52 ` [PATCH v2 6/6] mm/mremap: hold the rmap lock in write mode when moving " Aneesh Kumar K.V
2021-06-16  4:52   ` Aneesh Kumar K.V
2021-06-17  1:43   ` Andrew Morton
2021-06-17  1:43     ` Andrew Morton
2021-06-16 14:39 ` [PATCH v2 0/6] mrermap fixes Linus Torvalds
2021-06-16 14:39   ` Linus Torvalds
2021-06-17  1:00 ` Andrew Morton
2021-06-17  1:00   ` Andrew Morton

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