1NR_FREE_ZONE_PAGES(9)     Memory Management in Linux     NR_FREE_ZONE_PAGES(9)
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NAME

6       nr_free_zone_pages - count number of pages beyond high watermark
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SYNOPSIS

9       unsigned long nr_free_zone_pages(int offset);
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ARGUMENTS

12       offset
13           The zone index of the highest zone
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DESCRIPTION

16       nr_free_zone_pages counts the number of counts pages which are beyond
17       the high watermark within all zones at or below a given zone index. For
18       each zone, the number of pages is calculated as: present_pages -
19       high_pages
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22Kernel Hackers Manual 3.10         June 2019             NR_FREE_ZONE_PAGES(9)
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