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Tsirkin" , Jason Wang , Xuan Zhuo , =?utf-8?q?Eugenio_P=C3=A9rez?= , Baoquan He , Vivek Goyal , Dave Young , Thomas Huth , Cornelia Huck , Janosch Frank , Claudio Imbrenda , Eric Farman , Andrew Morton Subject: [PATCH v1 06/11] fs/proc/vmcore: factor out freeing a list of vmcore ranges Date: Fri, 25 Oct 2024 17:11:28 +0200 Message-ID: <20241025151134.1275575-7-david@redhat.com> In-Reply-To: <20241025151134.1275575-1-david@redhat.com> References: <20241025151134.1275575-1-david@redhat.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Let's factor it out into include/linux/crash_dump.h, from where we can use it also outside of vmcore.c later. Signed-off-by: David Hildenbrand --- fs/proc/vmcore.c | 9 +-------- include/linux/crash_dump.h | 11 +++++++++++ 2 files changed, 12 insertions(+), 8 deletions(-) diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c index 76fdc3fb8c0e..3e90416ee54e 100644 --- a/fs/proc/vmcore.c +++ b/fs/proc/vmcore.c @@ -1568,14 +1568,7 @@ void vmcore_cleanup(void) proc_vmcore = NULL; } - /* clear the vmcore list. */ - while (!list_empty(&vmcore_list)) { - struct vmcore_mem_node *m; - - m = list_first_entry(&vmcore_list, struct vmcore_mem_node, list); - list_del(&m->list); - kfree(m); - } + vmcore_free_mem_nodes(&vmcore_list); free_elfcorebuf(); /* clear vmcore device dump list */ diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h index ae77049fc023..722dbcff7371 100644 --- a/include/linux/crash_dump.h +++ b/include/linux/crash_dump.h @@ -135,6 +135,17 @@ static inline int vmcore_alloc_add_mem_node(struct list_head *list, return 0; } +/* Free a list of vmcore memory nodes. */ +static inline void vmcore_free_mem_nodes(struct list_head *list) +{ + struct vmcore_mem_node *m, *tmp; + + list_for_each_entry_safe(m, tmp, list, list) { + list_del(&m->list); + kfree(m); + } +} + #else /* !CONFIG_CRASH_DUMP */ static inline bool is_kdump_kernel(void) { return false; } #endif /* CONFIG_CRASH_DUMP */