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| author | Carlos Llamas <cmllamas@google.com> | 2024-12-10 14:31:03 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-12-24 09:35:23 +0100 |
| commit | 9e2aa76549b9fd2b8f7b81260417a4ec853910e6 (patch) | |
| tree | 3b38c85da8deb2aa976425bc6d6ef33e1aab4d8b /scripts/const_structs.checkpatch | |
| parent | binder: rename alloc->buffer to vm_start (diff) | |
| download | linux-9e2aa76549b9fd2b8f7b81260417a4ec853910e6.tar.gz linux-9e2aa76549b9fd2b8f7b81260417a4ec853910e6.zip | |
binder: use per-vma lock in page installation
Use per-vma locking for concurrent page installations, this minimizes
contention with unrelated vmas improving performance. The mmap_lock is
still acquired when needed though, e.g. before get_user_pages_remote().
Many thanks to Barry Song who posted a similar approach [1].
Link: https://lore.kernel.org/all/20240902225009.34576-1-21cnbao@gmail.com/ [1]
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Barry Song <v-songbaohua@oppo.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reviewed-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20241210143114.661252-8-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'scripts/const_structs.checkpatch')
0 files changed, 0 insertions, 0 deletions