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-rw-r--r--fs/proc/vmcore.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 841368b87a2..03ec5950490 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -32,10 +32,7 @@ static size_t elfcorebuf_sz;
/* Total size of vmcore file. */
static u64 vmcore_size;
-/* Stores the physical address of elf header of crash image. */
-unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
-
-struct proc_dir_entry *proc_vmcore = NULL;
+static struct proc_dir_entry *proc_vmcore = NULL;
/* Reads a page from the oldmem device from given offset. */
static ssize_t read_from_oldmem(char *buf, size_t count,
@@ -165,7 +162,7 @@ static ssize_t read_vmcore(struct file *file, char __user *buffer,
return acc;
}
-const struct file_operations proc_vmcore_operations = {
+static const struct file_operations proc_vmcore_operations = {
.read = read_vmcore,
};
@@ -647,7 +644,7 @@ static int __init vmcore_init(void)
int rc = 0;
/* If elfcorehdr= has been passed in cmdline, then capture the dump.*/
- if (!(elfcorehdr_addr < ELFCORE_ADDR_MAX))
+ if (!(is_vmcore_usable()))
return rc;
rc = parse_crash_elf_headers();
if (rc) {
@@ -655,7 +652,7 @@ static int __init vmcore_init(void)
return rc;
}
- /* Initialize /proc/vmcore size if proc is already up. */
+ proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, &proc_vmcore_operations);
if (proc_vmcore)
proc_vmcore->size = vmcore_size;
return 0;