From: Gregory Price <gourry@gourry.net>
To: Rakie Kim <rakie.kim@sk.com>
Cc: akpm@linux-foundation.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, linux-cxl@vger.kernel.org,
joshua.hahnjy@gmail.com, dan.j.williams@intel.com,
ying.huang@linux.alibaba.com, david@redhat.com,
Jonathan.Cameron@huawei.com, kernel_team@skhynix.com,
honggyu.kim@sk.com, yunjeong.mun@sk.com
Subject: Re: [PATCH v3 1/3] mm/mempolicy: Fix memory leaks in weighted interleave sysfs
Date: Fri, 21 Mar 2025 09:59:44 -0400 [thread overview]
Message-ID: <Z91w0FQ_CeWCHZRF@gourry-fedora-PF4VCD3F> (raw)
In-Reply-To: <20250320041749.881-2-rakie.kim@sk.com>
On Thu, Mar 20, 2025 at 01:17:46PM +0900, Rakie Kim wrote:
> Memory leaks occurred when removing sysfs attributes for weighted
> interleave. Improper kobject deallocation led to unreleased memory
> when initialization failed or when nodes were removed.
>
> This patch resolves the issue by replacing unnecessary `kfree()`
> calls with `kobject_put()`, ensuring proper cleanup and preventing
> memory leaks.
>
> By correctly using `kobject_put()`, the release function now
> properly deallocates memory without causing resource leaks,
> thereby improving system stability.
>
> Fixes: dce41f5ae253 ("mm/mempolicy: implement the sysfs-based weighted_interleave interface")
> Signed-off-by: Rakie Kim <rakie.kim@sk.com>
Reviewed-by: Gregory Price <gourry@gourry.net>
next prev parent reply other threads:[~2025-03-21 13:59 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-20 4:17 [PATCH v3 0/3] Enhance sysfs handling for memory hotplug in weighted interleave Rakie Kim
2025-03-20 4:17 ` [PATCH v3 1/3] mm/mempolicy: Fix memory leaks in weighted interleave sysfs Rakie Kim
2025-03-20 5:40 ` Rakie Kim
2025-03-20 16:59 ` Gregory Price
2025-03-21 4:36 ` Rakie Kim
2025-03-21 4:53 ` Gregory Price
2025-03-21 5:06 ` Rakie Kim
2025-03-20 16:45 ` Joshua Hahn
2025-03-21 4:37 ` Rakie Kim
2025-03-21 14:03 ` Gregory Price
2025-03-24 8:47 ` Rakie Kim
2025-03-21 13:59 ` Gregory Price [this message]
2025-03-24 16:40 ` Markus Elfring
2025-03-25 10:27 ` Rakie Kim
2025-03-20 4:17 ` [PATCH v3 2/3] mm/mempolicy: Support dynamic sysfs updates for weighted interleave Rakie Kim
2025-03-21 14:09 ` Gregory Price
2025-03-24 8:48 ` Rakie Kim
2025-04-02 16:33 ` Dan Williams
2025-04-03 4:25 ` Rakie Kim
2025-03-20 4:17 ` [PATCH v3 3/3] mm/mempolicy: Support memory hotplug in " Rakie Kim
2025-03-21 14:24 ` Gregory Price
2025-03-24 8:48 ` Rakie Kim
2025-03-24 8:54 ` Rakie Kim
2025-03-24 13:32 ` Gregory Price
2025-03-25 10:27 ` Rakie Kim
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