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More progress on VMA merge/shadow collapse.

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Done the merging, but deleting pages from different pagers is the
current issue.
This commit is contained in:
Bahadir Balban
2008-03-10 18:38:08 +00:00
parent 584815a4db
commit 47a6a31249
5 changed files with 133 additions and 108 deletions
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2
tasks/mm0/include/vm_area.h
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@@ -111,7 +111,6 @@ struct vm_object {
int npages; /* Number of pages in memory */
int refcnt; /* Number of shadows (or vmas) that refer */
struct list_head shadowers; /* List of vm objects that shadow this one */
struct list_head shref; /* Shadow referees use this to track us */
struct vm_object *orig_obj; /* Original object that this one shadows */
unsigned int flags; /* Defines the type and flags of the object */
struct list_head list; /* List of all vm objects in memory */
@@ -132,6 +131,7 @@ struct vm_file {
/* To create per-vma vm_object lists */
struct vma_obj_link {
struct list_head list;
struct list_head shref; /* Ref to shadowers by original objects */
struct vm_object *obj;
};