Kernel: Use AK::is_power_of_two instead of AK::popcount in kmalloc_impl

AK::popcount will use floating-point instructions, which in the aarch64 kernel are not allowed, and will result in an exception.
Author: https://github.com/FireFox317 Commit: 344ffda8cb Pull-request: https://github.com/SerenityOS/serenity/pull/16604 Reviewed-by: https://github.com/nico ✅
2025-08-05 07:41:01 +00:00 · 2022-12-20 15:42:48 +01:00 · 2022-12-20 15:42:48 +01:00 · 344ffda8cb · 2024-07-17 02:55:30 +09:00
commit 344ffda8cb
parent 81571bdac9
1 changed files with 1 additions and 1 deletions
--- a/Kernel/Heap/kmalloc.cpp
+++ b/Kernel/Heap/kmalloc.cpp
@ -431,7 +431,7 @@ static void* kmalloc_impl(size_t size, size_t alignment, CallerWillInitializeMem
    }

    // Alignment must be a power of two.
-    VERIFY(popcount(alignment) == 1);
+    VERIFY(is_power_of_two(alignment));

    SpinlockLocker lock(s_lock);
    ++g_kmalloc_call_count;