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vm-allocator: fix a clippy warning on missing safety comments

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Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu 2022-11-16 17:12:55 +00:00 committed by Liu Wei
parent d274fe9cb8
commit 3d08a0fba9
1 changed files with 1 additions and 1 deletions
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vm-allocator/src/system.rs
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@ -19,7 +19,7 @@ use libc::{sysconf, _SC_PAGESIZE};
/// Safe wrapper for `sysconf(_SC_PAGESIZE)`.
#[inline(always)]
fn pagesize() -> usize {
// Trivially safe
// SAFETY: FFI call. Trivially safe.
unsafe { sysconf(_SC_PAGESIZE) as usize }
}