From: Pratyush Yadav <pratyush@kernel.org>
To: Mike Rapoport <rppt@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Alexander Graf <graf@amazon.com>, Baoquan He <bhe@redhat.com>,
Changyuan Lyu <changyuanl@google.com>,
Chris Li <chrisl@kernel.org>, Jason Gunthorpe <jgg@nvidia.com>,
Pasha Tatashin <pasha.tatashin@soleen.com>,
Pratyush Yadav <pratyush@kernel.org>,
kexec@lists.infradead.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 3/4] kho: add support for preserving vmalloc allocations
Date: Mon, 22 Sep 2025 15:50:46 +0200 [thread overview]
Message-ID: <mafs0tt0ufvex.fsf@kernel.org> (raw)
In-Reply-To: <20250921054458.4043761-4-rppt@kernel.org>
On Sun, Sep 21 2025, Mike Rapoport wrote:
> From: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
>
> A vmalloc allocation is preserved using binary structure similar to
> global KHO memory tracker. It's a linked list of pages where each page
> is an array of physical address of pages in vmalloc area.
>
> kho_preserve_vmalloc() hands out the physical address of the head page
> to the caller. This address is used as the argument to
> kho_vmalloc_restore() to restore the mapping in the vmalloc address
> space and populate it with the preserved pages.
>
> Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
> Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
For the new kho_restore_pages() as well:
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Thanks for working on this series!
[...]
--
Regards,
Pratyush Yadav
next prev parent reply other threads:[~2025-09-22 13:50 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-21 5:44 [PATCH v5 0/4] kho: add support for preserving vmalloc allocations Mike Rapoport
2025-09-21 5:44 ` [PATCH v5 1/4] kho: check if kho is finalized in __kho_preserve_order() Mike Rapoport
2025-09-21 5:44 ` [PATCH v5 2/4] kho: replace kho_preserve_phys() with kho_preserve_pages() Mike Rapoport
2025-09-22 13:14 ` Jason Gunthorpe
2025-09-22 13:50 ` Pratyush Yadav
2025-09-21 5:44 ` [PATCH v5 3/4] kho: add support for preserving vmalloc allocations Mike Rapoport
2025-09-22 13:19 ` Jason Gunthorpe
2025-09-22 21:34 ` Andrew Morton
2025-09-24 15:28 ` Pratyush Yadav
2025-09-24 21:00 ` Andrew Morton
2025-09-25 11:22 ` Pratyush Yadav
2025-09-22 13:50 ` Pratyush Yadav [this message]
2025-09-22 14:17 ` Pasha Tatashin
2025-09-22 21:23 ` Andrew Morton
2025-09-22 22:31 ` yanjun.zhu
2025-09-22 23:08 ` Andrew Morton
2025-09-23 5:04 ` Zhu Yanjun
2025-09-21 5:44 ` [PATCH v5 4/4] lib/test_kho: use kho_preserve_vmalloc instead of storing addresses in fdt Mike Rapoport
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=mafs0tt0ufvex.fsf@kernel.org \
--to=pratyush@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=bhe@redhat.com \
--cc=changyuanl@google.com \
--cc=chrisl@kernel.org \
--cc=graf@amazon.com \
--cc=jgg@nvidia.com \
--cc=kexec@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=pasha.tatashin@soleen.com \
--cc=rppt@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.