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Kernel: kmalloc aligns size to s_kmalloc_min_align

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We don't get unaligned memory anymore from kmalloc
This commit is contained in:
Bananymous
2023-03-07 18:50:26 +02:00
parent ed18d86f08
commit 42c33ebfb3
1 changed files with 3 additions and 0 deletions
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3
kernel/kernel/kmalloc.cpp
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@@ -236,6 +236,7 @@ static void* kmalloc_impl(size_t size, size_t align)
Kernel::LockGuard guard(s_general_lock); Kernel::LockGuard guard(s_general_lock);
ASSERT(align % s_kmalloc_min_align == 0); ASSERT(align % s_kmalloc_min_align == 0);
ASSERT(size % s_kmalloc_min_align == 0);
auto& info = s_kmalloc_info; auto& info = s_kmalloc_info;
@@ -320,6 +321,8 @@ void* kmalloc(size_t size, size_t align)
if (void* result = kmalloc_fixed()) if (void* result = kmalloc_fixed())
return result; return result;
if (ptrdiff_t rem = size % s_kmalloc_min_align)
size += s_kmalloc_min_align - rem;
return kmalloc_impl(size, align); return kmalloc_impl(size, align);
} }