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修复raw_allocator在某些时候死循环的问题

This commit is contained in:
pointer-to-bios 2024-01-31 21:11:19 +08:00
parent 6d24ee84f4
commit 85df2a7609
1 changed files with 5 additions and 3 deletions
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8
src/kernel/memm/allocator/raw.c
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@ -17,17 +17,19 @@ void *raw_allocator_allocate(raw_allocator_t *allocator, usize size, usize align
{
usize real_size = size;
align_to(real_size, 16);
raw_allocator_cell *cell = allocator->cells;
while ((void *)raw_allocator_next_cell(cell) < (void *)allocator + allocator->size)
raw_allocator_cell *cell = &allocator->cells;
while ((void *)cell < raw_allocator_end(allocator))
{
while ( // 确保cell指向的内容还在这个allocator内
(void *)raw_allocator_next_cell(cell) < raw_allocator_end(allocator) &&
(void *)cell < raw_allocator_end(allocator) &&
cell->length != 0)
{
cell = raw_allocator_next_cell(cell);
}
if (real_size <= cell->capacity)
break;
else
cell = raw_allocator_next_cell(cell);
}
if ((void *)cell < raw_allocator_end(allocator))
goto fitable_cell_finded;