fix: Page alignment/hugepages tolerance size (7cdf6694) · Commits · git-mirror / Qemu

src/balloon.py

+3 −2

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ log = logging.getLogger(__name__)

		CONTAINER_MEM_MARGIN = 128 * (1024 ** 2) # 128 MB

		SMAPS_BLOCK_SIZE_TOLERANCE = 2 * (1024 ** 2) # 2MB: accounts for page alignment/hugepages


		# ==========================================================
		@@ -166,12 +167,12 @@ async def _get_host_qemu_guest_mem_rss(qmp: QMPClient, qemu_pid: int) -> Optiona

		def check_block(block_size: int) -> int:
		# Check if this block matches one of our expected QMP memory backends.
		# Use a 2MB (2048 kB) tolerance to account for page alignment/hugepages.
		# Use a 2MB tolerance to account for page alignment/hugepages.
		matched_target = next(
		(
		target
		for target in target_sizes
		if abs(block_size - target) <= 2048
		if abs(block_size - target) <= SMAPS_BLOCK_SIZE_TOLERANCE
		),
		None
		)