From: Caspar Zhang <caspar@casparzhang.com>
To: LTP List <ltp-list@lists.sourceforge.net>
Subject: Re: [LTP] [PATCH 10/11] hugetlb/hugeshmget03: fix broken testcase
Date: Tue, 13 Mar 2012 20:44:02 +0800 [thread overview]
Message-ID: <4F5F4112.2040309@casparzhang.com> (raw)
In-Reply-To: <1331614605-30347-11-git-send-email-caspar@casparzhang.com>
On 03/13/2012 12:56 PM, Caspar Zhang wrote:
>
> hugeshmget03 often returns ENOMEM, so that causes test fails. This patch
> fixes the problem by making the following changes:
>
> 1) reduce shm_size to minimum (1 hugepage);
> 2) reduce shmmni to 1/2 * nr_hugepages.
>
> so that when all shmids taken, memory allocated ~=
>
> 1/2 * nr_hugepages * hugepagesize < free memory
>
> Which means there will be no ENOMEM occurs, but ENOSPC as expected.
>
> Signed-off-by: Caspar Zhang <caspar@casparzhang.com>
> ---
> .../kernel/mem/hugetlb/hugeshmget/hugeshmget03.c | 14 ++++++++++++--
> 1 files changed, 12 insertions(+), 2 deletions(-)
>
Wanlong, thanks for review.
All: FYI, all the other patches except this one (10/11) pushed after
successful testing for enough times.
Caspar
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next prev parent reply other threads:[~2012-03-13 12:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-13 4:56 [LTP] [PATCH 00/11] hugetlb multiple fixes Caspar Zhang
2012-03-13 4:56 ` [LTP] [PATCH 01/11] hugetlb/hugeshmat: cleanup codes Caspar Zhang
2012-03-13 6:17 ` Wanlong Gao
2012-03-13 4:56 ` [LTP] [PATCH 02/11] hugetlb/hugeshmat: set nr_hugepages in tests Caspar Zhang
2012-03-13 6:16 ` Wanlong Gao
2012-03-13 4:56 ` [LTP] [PATCH 03/11] hugetlb/hugeshmctl: cleanup codes Caspar Zhang
2012-03-13 4:56 ` [LTP] [PATCH 04/11] hugetlb/hugeshmctl: set nr_hugepages in tests Caspar Zhang
2012-03-13 6:23 ` Wanlong Gao
2012-03-13 4:56 ` [LTP] [PATCH 05/11] hugetlb/hugeshmdt: cleanup codes Caspar Zhang
2012-03-13 4:56 ` [LTP] [PATCH 06/11] hugetlb/hugeshmdt: set nr_hugepages in tests Caspar Zhang
2012-03-13 6:24 ` Wanlong Gao
2012-03-13 4:56 ` [LTP] [PATCH 07/11] hugetlb/hugeshmget: cleanup codes Caspar Zhang
2012-03-13 4:56 ` [LTP] [PATCH 08/11] hugetlb/hugeshmget: set nr_hugepages in tests Caspar Zhang
2012-03-13 6:25 ` Wanlong Gao
2012-03-13 4:56 ` [LTP] [PATCH 09/11] hugetlb/lib: cleanup codes Caspar Zhang
2012-03-13 4:56 ` [LTP] [PATCH 10/11] hugetlb/hugeshmget03: fix broken testcase Caspar Zhang
2012-03-13 12:44 ` Caspar Zhang [this message]
2012-03-14 1:58 ` Wanlong Gao
2012-03-13 4:56 ` [LTP] [PATCH 11/11] libltp: remove system_specific_hugepages_info Caspar Zhang
2012-03-13 6:28 ` Wanlong Gao
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