is_vmalloc_addr(): Check if an address is within the vmalloc boundaries

[safe/jmp/linux-2.6] / fs / proc / kcore.c

diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index 1be7308..7dd26e1 100644 (file)
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -325,7 +325,7 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
                if (m == NULL) {
                        if (clear_user(buffer, tsz))
                                return -EFAULT;
-               } else if ((start >= VMALLOC_START) && (start < VMALLOC_END)) {
+               } else if (is_vmalloc_addr((void *)start)) {
                        char * elf_buf;
                        struct vm_struct *m;
                        unsigned long curstart = start;