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 4/6] mm/mremap: Don't enable optimized PUD move if page table levels is 2
Date: Thu, 10 Jun 2021 14:05:47 +0530 [thread overview]
Message-ID: <20210610083549.386085-5-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20210610083549.386085-1-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 92ab7d24a587..795a7d628b53 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:[~2021-06-10 8:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-10 8:35 [PATCH 0/6] mremap fixes Aneesh Kumar K.V
2021-06-10 8:35 ` [PATCH 1/6] selftest/mremap_test: Update the test to handle pagesize other than 4K Aneesh Kumar K.V
2021-06-10 8:35 ` [PATCH 2/6] selftest/mremap_test: Avoid crash with static build Aneesh Kumar K.V
2021-06-10 8:35 ` [PATCH 3/6] mm/mremap: Convert huge PUD move to separate helper Aneesh Kumar K.V
2021-06-10 22:03 ` Hugh Dickins
2021-06-10 8:35 ` Aneesh Kumar K.V [this message]
2021-06-10 8:35 ` [PATCH 5/6] mm/mremap: Use pmd/pud_poplulate to update page table entries Aneesh Kumar K.V
2021-06-10 18:16 ` Linus Torvalds
2021-06-13 9:06 ` Aneesh Kumar K.V
2021-06-13 10:50 ` Matthew Wilcox
2021-06-13 11:13 ` Aneesh Kumar K.V
2021-06-14 5:27 ` Christophe Leroy
2021-06-13 18:53 ` Linus Torvalds
2021-06-10 8:35 ` [PATCH 6/6] mm/mremap: hold the rmap lock in write mode when moving " Aneesh Kumar K.V
2021-06-11 8:11 ` Jann Horn
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