Alice Ryhl 8313296331 FROMGIT: rust: alloc: add Vec::insert_within_capacity ...

This adds a variant of Vec::insert that does not allocate memory. This
makes it safe to use this function while holding a spinlock. Rust Binder
uses it for the range allocator fast path.

Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Link: https://lore.kernel.org/r/20250502-vec-methods-v5-7-06d20ad9366f@google.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>

Bug: 414994413
(cherry picked from commit 771c5a7d9843643b035938624050e7769133b9cc
 https://github.com/Rust-for-Linux/linux.git alloc-next)
Change-Id: I5661d5ee9ff239a92c4a640e334ad6d60196ad25
Signed-off-by: Alice Ryhl <aliceryhl@google.com>

2025-05-16 10:31:04 -07:00

1.6 KiB

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