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DKconfig16 This option allows you to change some of the ways that
27 system in terms of performance and resource consumption
43 more efficient handling of these holes.
46 architectures, it is considered deprecated in favor of
83 # Both the NUMA code and DISCONTIGMEM use arrays of pg_data_t's
84 # to represent different areas of memory. This variable allows
100 # consume vast quantities of .bss, so be careful.
185 # page_table_lock, so that faults on different parts of the user address
215 significantly the number of 2MB contiguous memory blocks that can be
217 with the reduced number of transparent huge pages that could be used
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DKconfig.debug19 slowdown, but helps to find certain types of memory corruption.
21 Also, the state of page tracking structures is checked more often as
25 with stack traces of last allocation and freeing of the page, when
32 incorrect warnings of memory corruption after a resume because free
56 This keeps track of what call chain is the owner of a page, may
60 a fair amount of memory if enabled. See tools/vm/page_owner_sort.c
70 the patterns before alloc_pages. The filling of the memory helps
71 reduce the risk of information leaks from freed data. This does
85 poison on free. This reduces some of the overhead of the
92 bool "Use zero for poisoning instead of debugging value"
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Dhugetlb_cgroup.c288 static ssize_t hugetlb_cgroup_write(struct kernfs_open_file *of, in hugetlb_cgroup_write() argument
293 struct hugetlb_cgroup *h_cg = hugetlb_cgroup_from_css(of_css(of)); in hugetlb_cgroup_write()
303 idx = MEMFILE_IDX(of_cft(of)->private); in hugetlb_cgroup_write()
306 switch (MEMFILE_ATTR(of_cft(of)->private)) { in hugetlb_cgroup_write()
319 static ssize_t hugetlb_cgroup_reset(struct kernfs_open_file *of, in hugetlb_cgroup_reset() argument
324 struct hugetlb_cgroup *h_cg = hugetlb_cgroup_from_css(of_css(of)); in hugetlb_cgroup_reset()
326 counter = &h_cg->hugepage[MEMFILE_IDX(of_cft(of)->private)]; in hugetlb_cgroup_reset()
328 switch (MEMFILE_ATTR(of_cft(of)->private)) { in hugetlb_cgroup_reset()
Dmemcontrol.c3291 static ssize_t mem_cgroup_force_empty_write(struct kernfs_open_file *of, in mem_cgroup_force_empty_write() argument
3295 struct mem_cgroup *memcg = mem_cgroup_from_css(of_css(of)); in mem_cgroup_force_empty_write()
3612 static ssize_t mem_cgroup_write(struct kernfs_open_file *of, in mem_cgroup_write() argument
3615 struct mem_cgroup *memcg = mem_cgroup_from_css(of_css(of)); in mem_cgroup_write()
3624 switch (MEMFILE_ATTR(of_cft(of)->private)) { in mem_cgroup_write()
3630 switch (MEMFILE_TYPE(of_cft(of)->private)) { in mem_cgroup_write()
3656 static ssize_t mem_cgroup_reset(struct kernfs_open_file *of, char *buf, in mem_cgroup_reset() argument
3659 struct mem_cgroup *memcg = mem_cgroup_from_css(of_css(of)); in mem_cgroup_reset()
3662 switch (MEMFILE_TYPE(of_cft(of)->private)) { in mem_cgroup_reset()
3679 switch (MEMFILE_ATTR(of_cft(of)->private)) { in mem_cgroup_reset()
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