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Searched refs:mem_section (Results 1 – 18 of 18) sorted by relevance

/openbmc/qemu/hw/display/
H A Dframebuffer.c25 MemoryRegionSection *mem_section, in framebuffer_update_memory_section() argument
33 if (mem_section->mr) { in framebuffer_update_memory_section()
34 memory_region_set_log(mem_section->mr, false, DIRTY_MEMORY_VGA); in framebuffer_update_memory_section()
35 memory_region_unref(mem_section->mr); in framebuffer_update_memory_section()
36 mem_section->mr = NULL; in framebuffer_update_memory_section()
39 *mem_section = memory_region_find(root, base, src_len); in framebuffer_update_memory_section()
40 if (!mem_section->mr) { in framebuffer_update_memory_section()
44 if (int128_get64(mem_section->size) < src_len || in framebuffer_update_memory_section()
45 !memory_region_is_ram(mem_section->mr)) { in framebuffer_update_memory_section()
46 memory_region_unref(mem_section->mr); in framebuffer_update_memory_section()
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H A Dframebuffer.h22 MemoryRegionSection *mem_section,
53 MemoryRegionSection *mem_section,
H A Dexynos4210_fimd.c293 MemoryRegionSection mem_section; /* RAM fragment containing framebuffer */ member
1147 if (w->mem_section.mr) { in fimd_update_memory_section()
1148 memory_region_set_log(w->mem_section.mr, false, DIRTY_MEMORY_VGA); in fimd_update_memory_section()
1149 memory_region_unref(w->mem_section.mr); in fimd_update_memory_section()
1152 w->mem_section = memory_region_find(s->fbmem, fb_start_addr, w->fb_len); in fimd_update_memory_section()
1153 assert(w->mem_section.mr); in fimd_update_memory_section()
1154 assert(w->mem_section.offset_within_address_space == fb_start_addr); in fimd_update_memory_section()
1158 if (int128_get64(w->mem_section.size) != w->fb_len || in fimd_update_memory_section()
1159 !memory_region_is_ram(w->mem_section.mr)) { in fimd_update_memory_section()
1181 memory_region_set_log(w->mem_section.mr, true, DIRTY_MEMORY_VGA); in fimd_update_memory_section()
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/openbmc/linux/mm/
H A Dsparse.c27 struct mem_section **mem_section; variable
29 struct mem_section mem_section[NR_SECTION_ROOTS][SECTIONS_PER_ROOT] variable
32 EXPORT_SYMBOL(mem_section);
63 static noinline struct mem_section __ref *sparse_index_alloc(int nid) in sparse_index_alloc()
65 struct mem_section *section = NULL; in sparse_index_alloc()
67 sizeof(struct mem_section); in sparse_index_alloc()
85 struct mem_section *section; in sparse_index_init()
94 if (mem_section[root]) in sparse_index_init()
101 mem_section[root] = section; in sparse_index_init()
123 static inline int sparse_early_nid(struct mem_section *section) in sparse_early_nid()
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H A Dpage_ext.c237 struct mem_section *section = __pfn_to_section(pfn); in lookup_page_ext()
270 struct mem_section *section; in init_section_page_ext()
322 struct mem_section *ms; in __free_page_ext()
344 struct mem_section *ms; in __invalidate_page_ext()
H A Dbootmem_info.c46 struct mem_section *ms; in register_page_bootmem_info_section()
81 struct mem_section *ms; in register_page_bootmem_info_section()
H A Dmemory_hotplug.c330 struct mem_section *ms; in pfn_to_online_page()
730 struct mem_section *ms = __pfn_to_section(pfn); in section_taint_zone_device()
H A DKconfig486 # statically allocating the mem_section[] array can potentially
496 # Architecture platforms which require a two level mem_section in SPARSEMEM
/openbmc/linux/include/linux/
H A Dmmzone.h1790 struct mem_section { struct
1821 #define SECTIONS_PER_ROOT (PAGE_SIZE / sizeof (struct mem_section))
1831 extern struct mem_section **mem_section;
1833 extern struct mem_section mem_section[NR_SECTION_ROOTS][SECTIONS_PER_ROOT];
1836 static inline unsigned long *section_to_usemap(struct mem_section *ms) in section_to_usemap()
1841 static inline struct mem_section *__nr_to_section(unsigned long nr) in __nr_to_section()
1849 if (!mem_section || !mem_section[root]) in __nr_to_section()
1852 return &mem_section[root][nr & SECTION_ROOT_MASK]; in __nr_to_section()
1894 static inline struct page *__section_mem_map_addr(struct mem_section *section) in __section_mem_map_addr()
1901 static inline int present_section(struct mem_section *section) in present_section()
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H A Dmemory.h108 struct mem_section;
H A Dmemory_hotplug.h13 struct mem_section;
/openbmc/linux/Documentation/translations/zh_CN/mm/
H A Dmemory-model.rst63 SPARSEMEM模型将物理内存显示为一个部分的集合。一个区段用mem_section结构
77 `mem_section` 对象被安排在一个叫做 `mem_sections` 的二维数组中。这个数组的
81 `NR_MEM_SECTIONS` 行。每一行持有一个 `mem_section` 对象。
83 每一行包含价值 `PAGE_SIZE` 的 `mem_section` 对象，行数的计算是为了适应所有的
/openbmc/linux/scripts/gdb/linux/
H A Dmm.py130 mem_section = gdb.parse_and_eval("mem_section")
131 return mem_section[root][nr & self.SECTION_ROOT_MASK]
155 def valid_section(self, mem_section): argument
156 if mem_section != None and (mem_section['section_mem_map'] & self.SECTION_HAS_MEM_MAP):
160 def early_section(self, mem_section): argument
161 if mem_section != None and (mem_section['section_mem_map'] & self.SECTION_IS_EARLY):
/openbmc/linux/include/asm-generic/
H A Dmemory_model.h53 struct mem_section *__sec = __pfn_to_section(__pfn); \
/openbmc/linux/kernel/
H A Dcrash_core.c627 VMCOREINFO_SYMBOL_ARRAY(mem_section); in crash_save_vmcoreinfo_init()
628 VMCOREINFO_LENGTH(mem_section, NR_SECTION_ROOTS); in crash_save_vmcoreinfo_init()
629 VMCOREINFO_STRUCT_SIZE(mem_section); in crash_save_vmcoreinfo_init()
630 VMCOREINFO_OFFSET(mem_section, section_mem_map); in crash_save_vmcoreinfo_init()
/openbmc/linux/Documentation/mm/
H A Dmemory-model.rst70 sections. A section is represented with struct mem_section
87 The `mem_section` objects are arranged in a two-dimensional array
94 single `mem_section` object.
97 `mem_section` objects and the number of rows is calculated to fit
/openbmc/linux/Documentation/admin-guide/kdump/
H A Dvmcoreinfo.rst92 mem_section|(mem_section, NR_SECTION_ROOTS)|(mem_section, section_mem_map)
95 The address of the mem_section array, its length, structure size, and
/openbmc/linux/arch/arm64/mm/
H A Dmmu.c1356 struct mem_section *ms; in prevent_bootmem_remove_notifier()
1417 struct mem_section *ms; in validate_bootmem_online()