From a0b0c29ac837902ac649d4a258183410eec6ecb9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=9D=E5=80=89=E6=B0=B4=E5=B8=8C?=
 <asakuramizu111@gmail.com>
Date: Fri, 7 Nov 2025 15:17:41 +0800
Subject: [PATCH 1/2] feat: axerrno

---
 Cargo.toml |  1 +
 src/lib.rs | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/Cargo.toml b/Cargo.toml
index c1c29eb..a8ab563 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,6 +27,7 @@ page-alloc-4g = []
 page-alloc-256m = []
 
 [dependencies]
+axerrno = "0.1"
 cfg-if = "1.0"
 rlsf = { version = "0.2", optional = true }
 buddy_system_allocator = { version = "0.10", default-features = false, optional = true }
diff --git a/src/lib.rs b/src/lib.rs
index ab843be..f74ad73 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -34,6 +34,8 @@ pub use tlsf::TlsfByteAllocator;
 use core::alloc::Layout;
 use core::ptr::NonNull;
 
+use axerrno::AxError;
+
 /// The error type used for allocation.
 #[derive(Debug)]
 pub enum AllocError {
@@ -47,6 +49,15 @@ pub enum AllocError {
     NotAllocated,
 }
 
+impl From<AllocError> for AxError {
+    fn from(value: AllocError) -> Self {
+        match value {
+            AllocError::NoMemory => AxError::NoMemory,
+            _ => AxError::InvalidInput,
+        }
+    }
+}
+
 /// A [`Result`] type with [`AllocError`] as the error type.
 pub type AllocResult<T = ()> = Result<T, AllocError>;
 

From e9c72482feb20e27f0dcfda06cb63ec9ea65b4b4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=9D=E5=80=89=E6=B0=B4=E5=B8=8C?=
 <asakuramizu111@gmail.com>
Date: Sun, 9 Nov 2025 17:34:23 +0800
Subject: [PATCH 2/2] chore: add axerrno optional feature

---
 Cargo.toml | 4 +++-
 src/lib.rs | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index a8ab563..69614af 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,8 +26,10 @@ page-alloc-64g = []
 page-alloc-4g = []
 page-alloc-256m = []
 
+axerrno = ["dep:axerrno"]
+
 [dependencies]
-axerrno = "0.1"
+axerrno = { version = "0.1", optional = true }
 cfg-if = "1.0"
 rlsf = { version = "0.2", optional = true }
 buddy_system_allocator = { version = "0.10", default-features = false, optional = true }
diff --git a/src/lib.rs b/src/lib.rs
index f74ad73..1435e9d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -34,6 +34,7 @@ pub use tlsf::TlsfByteAllocator;
 use core::alloc::Layout;
 use core::ptr::NonNull;
 
+#[cfg(feature = "axerrno")]
 use axerrno::AxError;
 
 /// The error type used for allocation.
@@ -49,6 +50,7 @@ pub enum AllocError {
     NotAllocated,
 }
 
+#[cfg(feature = "axerrno")]
 impl From<AllocError> for AxError {
     fn from(value: AllocError) -> Self {
         match value {