From: Mounesh Badiger <mounesh.b@gmail.com>
To: linux-mm@kvack.org
Subject: kmalloc() question - migration/remap of kmalloc()'ed pages
Date: Thu, 25 Apr 2024 14:51:35 +0530 [thread overview]
Message-ID: <CAOGU1pyhL=g7Ammo089K_S8dLh7Xdyhh=KDwtB=JE0KnAW5Q8w@mail.gmail.com> (raw)
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Hi,
We have a device driver that allocates physical pages using kmalloc() and
these pages are mapped to the userspace process via mmap.
Does the kmalloc()'ed memory mapped to userspace can migrate or get
remapped due to any of kernel mm operations?
we are looking to keep VA->PA mapping intact from a userspace process point
of view.
--
Mounesh Badiger
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Visit*: www.vidyaposhak.org <http://www.vidyaposhak.org/> *
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next reply other threads:[~2024-04-25 9:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-25 9:21 Mounesh Badiger [this message]
2024-04-25 9:36 ` David Hildenbrand
2024-04-25 9:48 ` Mounesh Badiger
2024-04-25 9:51 ` David Hildenbrand
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