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Subject[PATCH 21/21] fs: Move prototype declaration to appropriate header file
Move prototype declaration to header file include/linux/crash_dump.h
because it is used by more than file.

This eliminates the following warning in proc/vmcore.c:
fs/proc/vmcore.c:1088:6: warning: no previous prototype for ‘vmcore_cleanup’ [-Wmissing-prototypes]

Signed-off-by: Rashika Kheria <>
Reviewed-by: Josh Triplett <>
include/linux/crash_dump.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index 7032518..72ab536 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -25,6 +25,7 @@ extern int __weak remap_oldmem_pfn_range(struct vm_area_struct *vma,

extern ssize_t copy_oldmem_page(unsigned long, char *, size_t,
unsigned long, int);
+void vmcore_cleanup(void);

/* Architecture code defines this if there are other possible ELF
* machine types, e.g. on bi-arch capable hardware. */
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