Function report |
Source Code:include\linux\mmzone.h |
Create Date:2022-07-28 05:37:20 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:Return true if [start_pfn, start_pfn + nr_pages) range has a non-empty* intersection with the given zone
Proto:static inline bool zone_intersects(struct zone *zone, unsigned long start_pfn, unsigned long nr_pages)
Type:bool
Parameter:
Type | Parameter | Name |
---|---|---|
struct zone * | zone | |
unsigned long | start_pfn | |
unsigned long | nr_pages |
630 | If zone_is_empty(zone) Then Return false |
632 | If start_pfn >= zone_end_pfn(zone) || start_pfn + nr_pages <= zone_start_pfn == zone_start_paddr >> PAGE_SHIFT Then Return false |
636 | Return true |
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