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* Made vm_page::state private and added accessor methods.

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* Added kernel tracing for page state transitions.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35538 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2010-02-20 15:57:44 +00:00
parent 98d2fc4b23
commit bd7645a12a
7 changed files with 172 additions and 73 deletions
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src/system/kernel/cache/file_cache.cpp
Vendored
+4 -4
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@@ -309,7 +309,7 @@ reserve_pages(file_cache_ref* ref, vm_page_reservation* reservation,
vm_page* page;
for (VMCachePagesTree::Iterator it = cache->pages.GetIterator();
(page = it.Next()) != NULL && left > 0;) {
if (page->state == PAGE_STATE_CACHED && !page->busy) {
if (page->State() == PAGE_STATE_CACHED && !page->busy) {
DEBUG_PAGE_ACCESS_START(page);
ASSERT(!page->IsMapped());
ASSERT(!page->modified);
@@ -816,7 +816,7 @@ cache_io(void* _cacheRef, void* cookie, off_t offset, addr_t buffer,
page->modified = true;
if (page->state != PAGE_STATE_MODIFIED)
if (page->State() != PAGE_STATE_MODIFIED)
vm_page_set_state(page, PAGE_STATE_MODIFIED);
DEBUG_PAGE_ACCESS_END(page);
@@ -827,8 +827,8 @@ cache_io(void* _cacheRef, void* cookie, off_t offset, addr_t buffer,
// If it is cached only, requeue the page, so the respective queue
// roughly remains LRU first sorted.
if (page->state == PAGE_STATE_CACHED
|| page->state == PAGE_STATE_MODIFIED) {
if (page->State() == PAGE_STATE_CACHED
|| page->State() == PAGE_STATE_MODIFIED) {
DEBUG_PAGE_ACCESS_START(page);
vm_page_requeue(page, true);
DEBUG_PAGE_ACCESS_END(page);