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authorSuren A. Chilingaryan <csa@dside.dyndns.org>2011-07-17 22:47:51 +0200
committerSuren A. Chilingaryan <csa@dside.dyndns.org>2011-07-17 22:47:51 +0200
commitad4a1e15877aff3da889c0c433475d3173a677e4 (patch)
tree541d61b531e71662f7c91d9b56393b80bd80ae47 /NOTES
parent2c52de4f914806c040f62d9fc3ee88081a7aa56b (diff)
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Support forceful clean-up of kernel memory
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1 files changed, 2 insertions, 1 deletions
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@@ -32,7 +32,8 @@ DMA Access Synchronization
KMEM_FLAG_EXCLUSIVE - prevents multiple processes mmaping the buffer
simultaneously. This is used to prevent multiple processes use the same
- DMA engine at the same time.
+ DMA engine at the same time. When passed to kmem_free, allows to clean
+ buffers with lost clients even for shared buffers.
KMEM_FLAG_REUSE - requires reuse of existing buffer. If reusable buffer is
found (non-reusable buffers, i.e. allocated without KMEM_FLAG_REUSE are