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* vm_remove_all_page_mappings() now returns an accumulation of the flags of

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the unmapped page.
* This is needed by everyone who calls this to make sure modifications to a
  page aren't ignored. Namely, the page scanner and the page thief were
  affected.
* Cleaned up locking the page's cache a bit in page_thief(); there is now
  a helper class that takes care of everything.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22438 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2007-10-04 16:36:35 +00:00
parent 06cd40f399
commit 9d8c209014
4 changed files with 71 additions and 16 deletions
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headers/private/kernel/vm.h
+1 -1
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@@ -130,7 +130,7 @@ status_t vm_get_page_mapping(team_id team, addr_t vaddr, addr_t *paddr);
bool vm_test_map_modification(struct vm_page *page);
int32 vm_test_map_activation(struct vm_page *page, bool *_modified);
void vm_clear_map_flags(struct vm_page *page, uint32 flags);
void vm_remove_all_page_mappings(struct vm_page *page);
void vm_remove_all_page_mappings(struct vm_page *page, uint32 *_flags);
status_t vm_unmap_pages(struct vm_area *area, addr_t base, size_t length);
status_t vm_map_page(struct vm_area *area, struct vm_page *page, addr_t address,
uint32 protection);