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| author | Christopher Durham <cad97@cad97.com> | 2022-09-03 16:47:12 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-09-03 16:47:12 -0500 |
| commit | 69721defc21e9704c39aec65dea9e2be4377cb1b (patch) | |
| tree | c4f0e67489436a97653e8d08e6b01aa3c8073816 /library/std/src/alloc.rs | |
| parent | dec689432fac6720b2f18101ac28a21add98b1b8 (diff) | |
| download | rust-69721defc21e9704c39aec65dea9e2be4377cb1b.tar.gz rust-69721defc21e9704c39aec65dea9e2be4377cb1b.zip | |
Forbid mixing `System` with sytem allocator calls
Diffstat (limited to 'library/std/src/alloc.rs')
| -rw-r--r-- | library/std/src/alloc.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/library/std/src/alloc.rs b/library/std/src/alloc.rs index a05e0db3af7..61c1ff578b2 100644 --- a/library/std/src/alloc.rs +++ b/library/std/src/alloc.rs @@ -68,7 +68,10 @@ pub use alloc_crate::alloc::*; /// The default memory allocator provided by the operating system. /// /// This is based on `malloc` on Unix platforms and `HeapAlloc` on Windows, -/// plus related functions. +/// plus related functions. However, it is not valid to mix use of the backing +/// system allocator with `System`, as this implementation may include extra +/// work, such as to serve alignment requests greater than the alignment +/// provided directly by the backing system allocator. /// /// This type implements the `GlobalAlloc` trait and Rust programs by default /// work as if they had this definition: |