函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\mmzone.c Create Date:2022-07-27 15:46:25
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Returns the next zone at or below highest_zoneidx in a zonelist

函数原型：struct zoneref *__next_zones_zonelist(struct zoneref *z, enum zone_type highest_zoneidx, nodemask_t *nodes)

返回类型：struct zoneref

参数：

类型参数名称
struct zoneref *z
enum zone_typehighest_zoneidx
nodemask_t *nodes
64  如果此条件成立可能性小(为编译器优化)(nodes == NULL)则当zonelist_zone_idx(z)大于highest_zoneidx循环
66  z自加
67  否则当zonelist_zone_idx(z)大于highest_zoneidx或Pointer to actual zone 且非zref_in_nodemask(z, nodes)循环
70  z自加
72  返回:z
调用者
名称描述
next_zones_zonelistxt_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