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Diffstat (limited to 'Documentation/mm/slub.rst')
| -rw-r--r-- | Documentation/mm/slub.rst | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Documentation/mm/slub.rst b/Documentation/mm/slub.rst index b517ee28a955..84ca1dc94e5e 100644 --- a/Documentation/mm/slub.rst +++ b/Documentation/mm/slub.rst @@ -80,7 +80,7 @@ to the dentry cache with:: Debugging options may require the minimum possible slab order to increase as a result of storing the metadata (for example, caches with PAGE_SIZE object -sizes). This has a higher liklihood of resulting in slab allocation errors +sizes). This has a higher likelihood of resulting in slab allocation errors in low memory situations or if there's high fragmentation of memory. To switch off debugging for such caches by default, use:: @@ -175,6 +175,15 @@ can be influenced by kernel parameters: ``slab_max_order`` to 0, what cause minimum possible order of slabs allocation. +``slab_strict_numa`` + Enables the application of memory policies on each + allocation. This results in more accurate placement of + objects which may result in the reduction of accesses + to remote nodes. The default is to only apply memory + policies at the folio level when a new folio is acquired + or a folio is retrieved from the lists. Enabling this + option reduces the fastpath performance of the slab allocator. + SLUB Debug output ================= |