Messages in this thread | | | From | Alviro Iskandar Setiawan <> | Date | Tue, 22 Mar 2022 19:36:11 +0700 | Subject | Re: [RFC PATCH v2 6/8] tools/nolibc/stdlib: Implement `malloc()`, `calloc()`, `realloc()` and `free()` |
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On Tue, Mar 22, 2022 at 7:18 PM Ammar Faizi wrote: > Rounding up is not useful here, because we don't have any free list to keep > track the unused block of memory. I mean, even if it's rounded up, the extra > space after rounded up cannot be utilized with this design. There is no > book-keeping that tracks it. > > Though, the kernel still allocates the size in multiple page size.
BTW, what David meant probably, don't call mmap() again if heap->len is greater than new_len. Isn't that simple enough to give it a go?
-- Viro
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