linux-5.15/next_zones_zonelist() の履歴(No.1)

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• 差分 を表示
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• ソース を表示
• linux-5.15/next_zones_zonelist() へ行く。
  • 1 (2025-10-24 (金) 12:02:58)
  • 2 (2025-10-24 (金) 12:03:17)

参照元†

• linux-5.15/first_zones_zonelist()
• linux-5.15/for_next_zone_zonelist_nodemask()

説明†

• パス: [[linux-5.15/]]

• FIXME: これは何？
  • 説明

引数†

• struct zoneref *z
  • linux-5.15/zoneref
• enum zone_type highest_zoneidx
  • linux-5.15/zone_type
• nodemask_t *nodes
  • linux-5.15/nodemask_t

返り値†

• struct zoneref *
  • linux-5.15/zoneref

参考†

実装†

/**
 * next_zones_zonelist - Returns the next zone at or below highest_zoneidx within the allowed nodemask using a cursor within a zonelist as a starting point
 * @z: The cursor used as a starting point for the search
 * @highest_zoneidx: The zone index of the highest zone to return
 * @nodes: An optional nodemask to filter the zonelist with
 *
 * This function returns the next zone at or below a given zone index that is
 * within the allowed nodemask using a cursor as the starting point for the
 * search. The zoneref returned is a cursor that represents the current zone
 * being examined. It should be advanced by one before calling
 * next_zones_zonelist again.
 *
 * Return: the next zone at or below highest_zoneidx within the allowed
 * nodemask using a cursor within a zonelist as a starting point
 */
static __always_inline struct zoneref *next_zones_zonelist(struct zoneref *z,
					enum zone_type highest_zoneidx,
					nodemask_t *nodes)
{
	if (likely(!nodes && zonelist_zone_idx(z) <= highest_zoneidx))
		return z;
	return __next_zones_zonelist(z, highest_zoneidx, nodes);
}

• • linux-5.15/likely()
  • linux-5.15/zonelist_zone_idx()
  • linux-5.15/__next_zones_zonelist()

コメント†