From: Andrew Jones <drjones@redhat.com>
To: Zhenzhong Duan <zhenzhong.duan@intel.com>
Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
kvm@vger.kernel.org, pbonzini@redhat.com, shuah@kernel.org
Subject: Re: [PATCH] selftests: kvm: make allocation of extra memory take effect
Date: Tue, 11 May 2021 21:18:16 +0200 [thread overview]
Message-ID: <20210511191816.v3zoukkq7la5a4pw@gator> (raw)
In-Reply-To: <20210512043107.30076-1-zhenzhong.duan@intel.com>
On Wed, May 12, 2021 at 12:31:06PM +0800, Zhenzhong Duan wrote:
> The extra memory pages is missed to be allocated during VM creating.
> perf_test_util and kvm_page_table_test use it to alloc extra memory
> currently.
>
> Fix it by adding extra_mem_pages to the total memory calculation before
> allocate.
>
> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
> ---
> tools/testing/selftests/kvm/lib/kvm_util.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
> index fc83f6c5902d..159f4d62241d 100644
> --- a/tools/testing/selftests/kvm/lib/kvm_util.c
> +++ b/tools/testing/selftests/kvm/lib/kvm_util.c
> @@ -295,7 +295,7 @@ struct kvm_vm *vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus,
> */
> uint64_t vcpu_pages = (DEFAULT_STACK_PGS + num_percpu_pages) * nr_vcpus;
> uint64_t extra_pg_pages = (extra_mem_pages + vcpu_pages) / PTES_PER_MIN_PAGE * 2;
> - uint64_t pages = DEFAULT_GUEST_PHY_PAGES + vcpu_pages + extra_pg_pages;
> + uint64_t pages = DEFAULT_GUEST_PHY_PAGES + extra_mem_pages + vcpu_pages + extra_pg_pages;
> struct kvm_vm *vm;
> int i;
>
> --
> 2.25.1
>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Thanks,
drew
next prev parent reply other threads:[~2021-05-11 19:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-12 4:31 [PATCH] selftests: kvm: make allocation of extra memory take effect Zhenzhong Duan
2021-05-11 19:18 ` Andrew Jones [this message]
2021-05-12 4:31 ` [PATCH] selftests: kvm: Fix a potential elf loading issue Zhenzhong Duan
2021-05-24 12:27 ` Paolo Bonzini
2021-05-25 8:43 ` Duan, Zhenzhong
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=20210511191816.v3zoukkq7la5a4pw@gator \
--to=drjones@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=pbonzini@redhat.com \
--cc=shuah@kernel.org \
--cc=zhenzhong.duan@intel.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).