diff options
| author | David Hildenbrand <david@redhat.com> | 2024-12-04 13:54:37 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2025-01-27 09:39:11 -0500 |
| commit | e017b1f4aa4eb887ee85fe13862206c0d31344b4 (patch) | |
| tree | 4a0f76f89f65726825687e71f8be0f440c38556e /include | |
| parent | 819403c893551c5e93bf9087d334e01bcab5c6b9 (diff) | |
fs/proc/vmcore: factor out allocating a vmcore range and adding it to a list
Let's factor it out into include/linux/crash_dump.h, from where we can
use it also outside of vmcore.c later.
Acked-by: Baoquan He <bhe@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20241204125444.1734652-7-david@redhat.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/crash_dump.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h index 788a45061f35..9717912ce4d1 100644 --- a/include/linux/crash_dump.h +++ b/include/linux/crash_dump.h @@ -121,6 +121,20 @@ struct vmcore_range { loff_t offset; }; +/* Allocate a vmcore range and add it to the list. */ +static inline int vmcore_alloc_add_range(struct list_head *list, + unsigned long long paddr, unsigned long long size) +{ + struct vmcore_range *m = kzalloc(sizeof(*m), GFP_KERNEL); + + if (!m) + return -ENOMEM; + m->paddr = paddr; + m->size = size; + list_add_tail(&m->list, list); + return 0; +} + #else /* !CONFIG_CRASH_DUMP */ static inline bool is_kdump_kernel(void) { return false; } #endif /* CONFIG_CRASH_DUMP */ |