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
next prev parent reply other threads:[~2021-06-16 4:55 UTC|newest]
Thread overview: 10+ 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 ` [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 ` [PATCH v2 2/6] selftest/mremap_test: Avoid crash with static build 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 [this message]
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 ` [PATCH v2 6/6] mm/mremap: hold the rmap lock in write mode when moving " Aneesh Kumar K.V
2021-06-17 1:43 ` Andrew Morton
2021-06-16 14:39 ` [PATCH v2 0/6] mrermap fixes Linus Torvalds
2021-06-17 1:00 ` Andrew Morton
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