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Kernel+SystemMonitor: Expose the number of set CoW bits in each Region

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This number tells us how many more pages in a given region will trigger
a CoW fault if written to.
This commit is contained in:
Andreas Kling 2019-12-15 16:53:00 +01:00
parent 9ad151c665
commit 3fbc50a350
4 changed files with 14 additions and 0 deletions
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10
Kernel/VM/Region.cpp
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@ -113,6 +113,16 @@ int Region::commit()
return 0;
}
u32 Region::cow_pages() const
{
if (!m_cow_map)
return 0;
u32 count = 0;
for (int i = 0; i < m_cow_map->size(); ++i)
count += m_cow_map->get(i);
return count;
}
size_t Region::amount_resident() const
{
size_t bytes = 0;