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Added AppendUnlocked() version that appends a list of pages.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35010 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2010-01-11 16:31:44 +00:00
parent eb7157a4b6
commit a0b07ebaab
1 changed files with 26 additions and 3 deletions
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src/system/kernel/vm/VMPageQueue.h
+26 -3
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@@ -18,11 +18,10 @@
#include <vm/vm_types.h> #include <vm/vm_types.h>
struct VMPageQueue { struct VMPageQueue {
public: public:
typedef DoublyLinkedList<vm_page, DoublyLinkedListMemberGetLink<vm_page, typedef DoublyLinkedList<vm_page,
&vm_page::queue_link> > PageList; DoublyLinkedListMemberGetLink<vm_page, &vm_page::queue_link> > PageList;
typedef PageList::ConstIterator Iterator; typedef PageList::ConstIterator Iterator;
public: public:
@@ -39,6 +38,7 @@ public:
inline void Requeue(vm_page* page, bool tail); inline void Requeue(vm_page* page, bool tail);
inline void AppendUnlocked(vm_page* page); inline void AppendUnlocked(vm_page* page);
inline void AppendUnlocked(PageList& pages, uint32 count);
inline void PrependUnlocked(vm_page* page); inline void PrependUnlocked(vm_page* page);
inline void RemoveUnlocked(vm_page* page); inline void RemoveUnlocked(vm_page* page);
inline vm_page* RemoveHeadUnlocked(); inline vm_page* RemoveHeadUnlocked();
@@ -186,6 +186,29 @@ VMPageQueue::AppendUnlocked(vm_page* page)
} }
void
VMPageQueue::AppendUnlocked(PageList& pages, uint32 count)
{
#if DEBUG_PAGE_QUEUE
for (PageList::Iterator it = pages.GetIterator();
vm_page* page = it.next();) {
if (page->queue != NULL) {
panic("%p->VMPageQueue::AppendUnlocked(): page %p thinks it is "
"already in queue %p", this, page, page->queue);
}
page->queue = this;
}
#endif // DEBUG_PAGE_QUEUE
InterruptsSpinLocker locker(fLock);
fPages.MoveFrom(&pages);
fCount += count;
}
void void
VMPageQueue::PrependUnlocked(vm_page* page) VMPageQueue::PrependUnlocked(vm_page* page)
{ {