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Searched refs:PG_double_map (Results 1 – 2 of 2) sorted by relevance

/Linux-v4.19/include/linux/
Dpage-flags.h130 PG_double_map = PG_private_2, enumerator
613 return PageHead(page) && test_bit(PG_double_map, &page[1].flags); in PageDoubleMap()
619 set_bit(PG_double_map, &page[1].flags); in SetPageDoubleMap()
625 clear_bit(PG_double_map, &page[1].flags); in ClearPageDoubleMap()
630 return test_and_set_bit(PG_double_map, &page[1].flags); in TestSetPageDoubleMap()
636 return test_and_clear_bit(PG_double_map, &page[1].flags); in TestClearPageDoubleMap()
/Linux-v4.19/Documentation/vm/
Dtranshuge.rst149 For anonymous pages, we set PG_double_map when a PMD of the page got split
153 File pages get PG_double_map set on first map of the page with PTE and