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Searched refs:max_page_sharing (Results 1 – 4 of 4) sorted by relevance

/Linux-v5.15/tools/testing/selftests/vm/
Dksm_tests.c22 unsigned long max_page_sharing; member
182 unsigned long max_page_sharing, pages_sharing, pages_shared; in assert_ksm_pages_count() local
186 ksm_read_sysfs(KSM_FP("max_page_sharing"), &max_page_sharing)) in assert_ksm_pages_count()
199 if (dupl_page_count % max_page_sharing == 1 || dupl_page_count % max_page_sharing == 0) { in assert_ksm_pages_count()
200 if (pages_shared == dupl_page_count / max_page_sharing && in assert_ksm_pages_count()
201 pages_sharing == pages_shared * (max_page_sharing - 1)) in assert_ksm_pages_count()
204 if (pages_shared == (dupl_page_count / max_page_sharing + 1) && in assert_ksm_pages_count()
214 if (ksm_read_sysfs(KSM_FP("max_page_sharing"), &ksm_sysfs->max_page_sharing) || in ksm_save_def()
229 if (ksm_write_sysfs(KSM_FP("max_page_sharing"), ksm_sysfs->max_page_sharing) || in ksm_restore()
/Linux-v5.15/Documentation/vm/
Dksm.rst27 If a KSM page is shared between less than ``max_page_sharing`` VMAs,
47 The deduplication limit enforced by ``max_page_sharing`` is required
51 capped by ``max_page_sharing``. So this effectively spreads the linear
59 High values of ``max_page_sharing`` result in faster memory merging
67 ``max_page_sharing`` tunable, and an high ratio may indicate fragmentation
/Linux-v5.15/Documentation/admin-guide/mm/
Dksm.rst134 max_page_sharing
158 ``max_page_sharing`` yet.
173 the number of KSM pages that hit the ``max_page_sharing`` limit
184 ``max_page_sharing`` tunable. To increase the ratio ``max_page_sharing`` must
/Linux-v5.15/mm/
Dksm.c3039 KSM_ATTR(max_page_sharing);