---

yaml --- r: 45825 b: refs/heads/master c: e5b97dd h: refs/heads/master i: 45823: 3ff96a6 v: v3
git-mirror · Jan 26, 2007 · f1c48d1 · f1c48d1
1 parent ebe2531
commit f1c48d1
Show file tree

Hide file tree

Showing 3 changed files with 6 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b6558c4a2378af06f2beca6c8a3304e21d1cf135
+refs/heads/master: e5b97dde514f9bd43f9e525451d0a863c4fc8a9a
diff --git a/trunk/fs/binfmt_elf.c b/trunk/fs/binfmt_elf.c
@@ -1178,6 +1178,10 @@ static int dump_seek(struct file *file, loff_t off)
  */
 static int maydump(struct vm_area_struct *vma)
 {
+	/* The vma can be set up to tell us the answer directly.  */
+	if (vma->vm_flags & VM_ALWAYSDUMP)
+		return 1;
+
 	/* Do not dump I/O mapped devices or special mappings */
 	if (vma->vm_flags & (VM_IO | VM_RESERVED))
 		return 0;

diff --git a/trunk/include/linux/mm.h b/trunk/include/linux/mm.h
@@ -168,6 +168,7 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_NONLINEAR	0x00800000	/* Is non-linear (remap_file_pages) */
 #define VM_MAPPED_COPY	0x01000000	/* T if mapped copy of data (nommu mmap) */
 #define VM_INSERTPAGE	0x02000000	/* The vma has had "vm_insert_page()" done on it */
+#define VM_ALWAYSDUMP	0x04000000	/* Always include in core dumps */
 
 #ifndef VM_STACK_DEFAULT_FLAGS		/* arch can override this */
 #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS