diff options
Diffstat (limited to 'Documentation/vm')
| -rw-r--r-- | Documentation/vm/index.rst | 4 | ||||
| -rw-r--r-- | Documentation/vm/unevictable-lru.rst | 6 |
2 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/vm/index.rst b/Documentation/vm/index.rst index c4ded22197ca..2b3ab3a1ccf3 100644 --- a/Documentation/vm/index.rst +++ b/Documentation/vm/index.rst @@ -2,7 +2,9 @@ Linux Memory Management Documentation ===================================== -This is a collection of documents about Linux memory management (mm) subsystem. +This is a collection of documents about the Linux memory management (mm) +subsystem. If you are looking for advice on simply allocating memory, +see the :ref:`memory-allocation`. User guides for MM features =========================== diff --git a/Documentation/vm/unevictable-lru.rst b/Documentation/vm/unevictable-lru.rst index fdd84cb8d511..b8e29f977f2d 100644 --- a/Documentation/vm/unevictable-lru.rst +++ b/Documentation/vm/unevictable-lru.rst @@ -143,7 +143,7 @@ using a number of wrapper functions: Query the address space, and return true if it is completely unevictable. -These are currently used in two places in the kernel: +These are currently used in three places in the kernel: (1) By ramfs to mark the address spaces of its inodes when they are created, and this mark remains for the life of the inode. @@ -154,6 +154,10 @@ These are currently used in two places in the kernel: swapped out; the application must touch the pages manually if it wants to ensure they're in memory. + (3) By the i915 driver to mark pinned address space until it's unpinned. The + amount of unevictable memory marked by i915 driver is roughly the bounded + object size in debugfs/dri/0/i915_gem_objects. + Detecting Unevictable Pages --------------------------- |
