diff options
Diffstat (limited to 'src/kernel/pagemgr.C')
| -rw-r--r-- | src/kernel/pagemgr.C | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/kernel/pagemgr.C b/src/kernel/pagemgr.C index ca5dca055..6b36a1054 100644 --- a/src/kernel/pagemgr.C +++ b/src/kernel/pagemgr.C @@ -28,6 +28,7 @@ #include <util/locked/pqueue.H> size_t PageManager::cv_coalesce_count = 0; +size_t PageManager::cv_low_page_count = -1; void PageManager::init() { @@ -67,6 +68,7 @@ PageManager::PageManager() : iv_pagesAvail(0), iv_pagesTotal(0) iv_pagesTotal = length; // Update statistics. __sync_add_and_fetch(&iv_pagesAvail, length); + cv_low_page_count = iv_pagesAvail; // Display. printk("Initializing PageManager with %zd pages starting at %lx...", @@ -122,6 +124,10 @@ void* PageManager::_allocatePage(size_t n) // Update statistics. __sync_sub_and_fetch(&iv_pagesAvail, n); + if(iv_pagesAvail < cv_low_page_count) + { + cv_low_page_count = iv_pagesAvail; + } return page; } @@ -237,6 +243,7 @@ void PageManager::_coalesce( void ) } } printkd("PAGEMGR coalesced total %ld\n", cv_coalesce_count); + printkd("PAGEMGR low page count %ld\n",cv_low_page_count); } |
