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* Also print the page for the page related asserts.

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* Used vm_page::IsMapped() to simplify things.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35541 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2010-02-20 17:17:22 +00:00
parent 0ea0681f58
commit 4a1f668383
1 changed files with 17 additions and 14 deletions
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src/system/kernel/vm/vm_page.cpp
+17 -14
View File
@@ -60,6 +60,9 @@
//#define TRACK_PAGE_USAGE_STATS 1
#define PAGE_ASSERT(page, condition) \
ASSERT_PRINT((condition), "page: %p", (page))
#define SCRUB_SIZE 16
// this many pages will be cleared at once in the page scrubber thread
@@ -1058,7 +1061,7 @@ free_page(vm_page* page, bool clear)
{
DEBUG_PAGE_ACCESS_CHECK(page);
ASSERT(!page->IsMapped());
PAGE_ASSERT(page, !page->IsMapped());
VMPageQueue* fromQueue;
@@ -1091,7 +1094,7 @@ free_page(vm_page* page, bool clear)
if (page->CacheRef() != NULL)
panic("to be freed page %p has cache", page);
if (!page->mappings.IsEmpty() || page->wired_count > 0)
if (page->IsMapped())
panic("to be freed page %p has mappings", page);
if (fromQueue != NULL)
@@ -1171,8 +1174,8 @@ set_page_state(vm_page *page, int pageState)
toQueue = &sModifiedPageQueue;
break;
case PAGE_STATE_CACHED:
ASSERT(page->wired_count == 0 && page->mappings.IsEmpty());
ASSERT(!page->modified);
PAGE_ASSERT(page, !page->IsMapped());
PAGE_ASSERT(page, !page->modified);
toQueue = &sCachedPageQueue;
break;
case PAGE_STATE_FREE:
@@ -1204,7 +1207,7 @@ set_page_state(vm_page *page, int pageState)
// page states and active pages have a cache that must be locked at
// this point. So we rely on the fact that everyone must lock the cache
// before trying to change/interpret the page state.
ASSERT(cache != NULL);
PAGE_ASSERT(page, cache != NULL);
cache->AssertLocked();
page->SetState(pageState);
} else {
@@ -1229,7 +1232,7 @@ move_page_to_appropriate_queue(vm_page *page)
// Note, this logic must be in sync with what the page daemon does.
int32 state;
if (!page->mappings.IsEmpty() || page->wired_count > 0)
if (page->IsMapped())
state = PAGE_STATE_ACTIVE;
else if (page->modified)
state = PAGE_STATE_MODIFIED;
@@ -1549,7 +1552,7 @@ PageWriteWrapper::Done(status_t result)
fPage->modified = true;
if (!fCache->temporary)
set_page_state(fPage, PAGE_STATE_MODIFIED);
else if (fPage->wired_count > 0 || !fPage->mappings.IsEmpty())
else if (fPage->IsMapped())
set_page_state(fPage, PAGE_STATE_ACTIVE);
else
set_page_state(fPage, PAGE_STATE_INACTIVE);
@@ -2027,8 +2030,8 @@ free_cached_page(vm_page *page, bool dontWait)
DEBUG_PAGE_ACCESS_START(page);
ASSERT(page->wired_count == 0 && page->mappings.IsEmpty());
ASSERT(!page->modified);
PAGE_ASSERT(page, !page->IsMapped());
PAGE_ASSERT(page, !page->modified);
// we can now steal this page
@@ -2235,7 +2238,7 @@ full_scan_inactive_pages(page_stats& pageStats, int32 despairLevel)
// Note that until in the idle scanning we don't exempt pages of
// temporary caches. Apparently we really need memory, so we better
// page out memory as well.
bool isMapped = page->wired_count > 0 || !page->mappings.IsEmpty();
bool isMapped = page->IsMapped();
if (usageCount > 0) {
if (isMapped) {
set_page_state(page, PAGE_STATE_ACTIVE);
@@ -2655,7 +2658,7 @@ vm_page_write_modified_pages(VMCache *cache)
void
vm_page_schedule_write_page(vm_page *page)
{
ASSERT(page->State() == PAGE_STATE_MODIFIED);
PAGE_ASSERT(page, page->State() == PAGE_STATE_MODIFIED);
vm_page_requeue(page, false);
@@ -3244,7 +3247,7 @@ vm_page_is_dummy(struct vm_page *page)
void
vm_page_free(VMCache *cache, vm_page *page)
{
ASSERT(page->State() != PAGE_STATE_FREE
PAGE_ASSERT(page, page->State() != PAGE_STATE_FREE
&& page->State() != PAGE_STATE_CLEAR);
if (page->State() == PAGE_STATE_MODIFIED && cache->temporary)
@@ -3257,7 +3260,7 @@ vm_page_free(VMCache *cache, vm_page *page)
void
vm_page_set_state(vm_page *page, int pageState)
{
ASSERT(page->State() != PAGE_STATE_FREE
PAGE_ASSERT(page, page->State() != PAGE_STATE_FREE
&& page->State() != PAGE_STATE_CLEAR);
if (pageState == PAGE_STATE_FREE || pageState == PAGE_STATE_CLEAR)
@@ -3274,7 +3277,7 @@ vm_page_set_state(vm_page *page, int pageState)
void
vm_page_requeue(struct vm_page *page, bool tail)
{
ASSERT(page->Cache() != NULL);
PAGE_ASSERT(page, page->Cache() != NULL);
DEBUG_PAGE_ACCESS_CHECK(page);
VMPageQueue *queue = NULL;