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-rw-r--r--src/include/kernel/pagemgr.H22
1 files changed, 10 insertions, 12 deletions
diff --git a/src/include/kernel/pagemgr.H b/src/include/kernel/pagemgr.H
index 6676a469c..93cd82bb5 100644
--- a/src/include/kernel/pagemgr.H
+++ b/src/include/kernel/pagemgr.H
@@ -54,7 +54,7 @@ class PageManagerCore
/**
* Default Constructor
*/
- PageManagerCore()
+ PageManagerCore()
: iv_available(0) {}
/**
@@ -76,7 +76,7 @@ class PageManagerCore
* @return a pointer to the requested allocation | NULL
* if the request could not be satisfied.
*/
- page_t * allocatePage( size_t i_pageCount );
+ page_t * allocatePage( size_t i_pageCount );
/**
* Return page allocations to the page manager
@@ -136,9 +136,10 @@ class PageManager
/**
* Allocate pages
* @param[in] n, Requested allocation in pages
+ * @param[in] userspace - Request to allocate came from userspace
* @return pointer to requested memory
*/
- static void* allocatePage(size_t n = 1);
+ static void* allocatePage(size_t n = 1, bool userspace = false);
/**
* Return pages to the pagemanager
@@ -170,6 +171,9 @@ class PageManager
{
MEMLEN = VmmManager::MBOX_DMA_ADDR,
RESERVED_PAGES = 4,
+
+ LOWMEM_NORM_LIMIT = 16,
+ LOWMEM_CRIT_LIMIT = 5,
};
static size_t cv_coalesce_count; //!< running coalesced counter
@@ -182,15 +186,9 @@ class PageManager
private:
- void* _allocatePage(size_t); //!< see allocatePage()
- void _freePage(void*, size_t); //!< see freePage()
- void _coalesce( void ); //!< see coalesce()
-
- /**
- * Query if in kernel mode
- * @return [true | false]
- */
- bool queryKernelMode() const;
+ void* _allocatePage(size_t,bool); //!< see allocatePage()
+ void _freePage(void*, size_t); //!< see freePage()
+ void _coalesce( void ); //!< see coalesce()
/** see queryAvail() */
ALWAYS_INLINE uint64_t _queryAvail() const
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