diff options
Diffstat (limited to 'src/runtime/msize.c')
| -rw-r--r-- | src/runtime/msize.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/runtime/msize.c b/src/runtime/msize.c index ff1ca7200..62d5c3ad9 100644 --- a/src/runtime/msize.c +++ b/src/runtime/msize.c @@ -57,7 +57,7 @@ SizeToClass(int32 size) void InitSizes(void) { - int32 align, sizeclass, size, nextsize, n; + int32 align, sizeclass, size, osize, nextsize, n; uint32 i; uintptr allocsize, npages; @@ -81,7 +81,8 @@ InitSizes(void) // the leftover is less than 1/8 of the total, // so wasted space is at most 12.5%. allocsize = PageSize; - while(allocsize%size > (PageSize/8)) + osize = size + RefcountOverhead; + while(allocsize%osize > (PageSize/8)) allocsize += PageSize; npages = allocsize >> PageShift; @@ -92,7 +93,7 @@ InitSizes(void) // different sizes. if(sizeclass > 1 && npages == class_to_allocnpages[sizeclass-1] - && allocsize/size == allocsize/class_to_size[sizeclass-1]) { + && allocsize/osize == allocsize/(class_to_size[sizeclass-1]+RefcountOverhead)) { class_to_size[sizeclass-1] = size; continue; } |