Searched refs:max_ptes_none (Results 1 - 4 of 4) sorted by relevance

/linux-master/tools/testing/selftests/mm/
H A Dthp_settings.h43 unsigned int max_ptes_none; member in struct:khugepaged_settings
H A Dthp_settings.c219 .max_ptes_none = thp_read_num("khugepaged/max_ptes_none"),
258 thp_write_num("khugepaged/max_ptes_none", khugepaged->max_ptes_none);
H A Dkhugepaged.c679 int max_ptes_none = hpage_pmd_nr / 2; local
684 settings.khugepaged.max_ptes_none = max_ptes_none;
696 ops->fault(p, 0, (hpage_pmd_nr - max_ptes_none - fault_nr_pages) * page_size);
697 c->collapse("Maybe collapse with max_ptes_none exceeded", p, 1,
699 validate_memory(p, 0, (hpage_pmd_nr - max_ptes_none - fault_nr_pages) * page_size);
702 ops->fault(p, 0, (hpage_pmd_nr - max_ptes_none) * page_size);
703 c->collapse("Collapse with max_ptes_none PTEs empty", p, 1, ops,
706 (hpage_pmd_nr - max_ptes_none) * page_size);
1206 default_settings.khugepaged.max_ptes_none
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/linux-master/mm/
H A Dkhugepaged.c247 * max_ptes_none controls if khugepaged should collapse hugepages over
249 * footprint of the vmas. When max_ptes_none is 0 khugepaged will not
251 * runs. Increasing max_ptes_none will instead potentially reduce the
265 unsigned long max_ptes_none; local
267 err = kstrtoul(buf, 10, &max_ptes_none);
268 if (err || max_ptes_none > HPAGE_PMD_NR - 1)
271 khugepaged_max_ptes_none = max_ptes_none;
276 __ATTR_RW(max_ptes_none);

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