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Diffstat (limited to 'Documentation/vm/pagemap.txt')
| -rw-r--r-- | Documentation/vm/pagemap.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/vm/pagemap.txt b/Documentation/vm/pagemap.txt index 3cd38438242a..ce294b0aace4 100644 --- a/Documentation/vm/pagemap.txt +++ b/Documentation/vm/pagemap.txt @@ -5,7 +5,7 @@ pagemap is a new (as of 2.6.25) set of interfaces in the kernel that allow userspace programs to examine the page tables and related information by reading files in /proc. -There are three components to pagemap: +There are four components to pagemap: * /proc/pid/pagemap. This file lets a userspace process find out which physical frame each virtual page is mapped to. It contains one 64-bit @@ -71,6 +71,10 @@ There are three components to pagemap: 23. BALLOON 24. ZERO_PAGE + * /proc/kpagecgroup. This file contains a 64-bit inode number of the + memory cgroup each page is charged to, indexed by PFN. Only available when + CONFIG_MEMCG is set. + Short descriptions to the page flags: 0. LOCKED |