Disabled stealing an unused page from some cache. Unfortunately this
introduced a locking problem, since vm_page_allocate_page() is invoked with a locked cache. I guess I have to rethink the design. :-/ git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20487 a95241bf-73f2-0310-859d-f6bbb57e9c96
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@ -366,6 +366,10 @@ vm_page_allocate_page(int state)
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// no free page
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#if 0
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// TODO: Nice idea in principle, but causes a serious locking problem.
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// vm_page_allocate_page() is always invoked with some cached locked at the
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// same time. Thus locking a cache here to steal a page can cause a deadlock.
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// If the limit for allocated pages has been reached, we try to steal an
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// unused page.
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if (sPagePool.allocatedPages >= kMaxAllocatedPages
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@ -431,6 +435,7 @@ vm_page_allocate_page(int state)
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return page;
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}
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}
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#endif // 0
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// no page yet -- allocate a new one
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