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ringabout
2026-02-16 19:09:36 +08:00
parent c52568eb81
commit ac131313bc
1 changed files with 2 additions and 2 deletions
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4
lib/system/alloc.nim
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@@ -854,7 +854,7 @@ proc bigChunkAlignOffset(alignment: int): int {.inline.} =
if alignment <= MemAlign:
result = 0
else:
result = align(sizeof(BigChunk) + sizeof(Cell), alignment) -% sizeof(BigChunk) -% sizeof(Cell)
result = align(sizeof(BigChunk) + sizeof(Cell), alignment) - sizeof(BigChunk) - sizeof(Cell)
proc rawAlloc(a: var MemRegion, requestedSize: int, alignment: int = MemAlign): pointer =
when defined(nimTypeNames):
@@ -967,7 +967,7 @@ proc rawAlloc(a: var MemRegion, requestedSize: int, alignment: int = MemAlign):
# Since chunks are page-aligned, the needed padding is a compile-time
# deterministic value rather than a worst-case estimate.
let alignPad = bigChunkAlignOffset(alignment)
size = requestedSize +% bigChunkOverhead() +% alignPad
size = requestedSize + bigChunkOverhead() + alignPad
# allocate a large block
var c = if size >= HugeChunkSize: getHugeChunk(a, size)
else: getBigChunk(a, size)