elfcorehdr_read
ssize_t elfcorehdr_read(char *buf, size_t count, u64 *ppos)
ssize_t elfcorehdr_read(char *buf, size_t count, u64 *ppos)
ssize_t elfcorehdr_read(char *buf, size_t count, u64 *ppos)
ssize_t __weak elfcorehdr_read(char *buf, size_t count, u64 *ppos)