WebPatch 1 remain the memblock_next_valid_pfn when CONFIG_HAVE_ARCH_PFN_VALID is enabled Patch 2 optimizes the memblock_next_valid_pfn() Patch 3~5 optimizes the early_pfn_valid(), I have to split it into parts because the changes are located across subsystems. I tested the pfn loop process in memmap_init(), the same as before. Web* for_each_free_mem_pfn_range_in_zone_from - iterate through zone specific: 313 * free memblock areas from a given point: 314 * @i: u64 used as loop variable: 315 * @zone: zone in which all of the memory blocks reside: 316 * @p _start: ptr to phys_addr_t for start address of the range, can be %NULL: 317
[RFC PATCH 1/2] mm/memblock: introduce …
WebThis causes shrinking node 0's pfn range because it is calculated by the address range of memblock.memory. So some of struct pages in the gap range are left uninitialized. We have a function zero_resv_unavail() which does zeroing the struct pages outside memblock.memory, but currently it covers only the reserved Webmax_low_pfn = max_pfn = memblock_end_of_DRAM () >> PAGE_SHIFT; min_low_pfn = MEMORY_START >> PAGE_SHIFT; #ifdef CONFIG_HIGHMEM max_low_pfn = … maricopa county superior court search records
[PATCH v25 0/2] Virtio-balloon: support free page reporting
WebMar 9, 2024 · * On a multi-node machine a per-node cma area is allocated on each node. Following gigantic hugetlb allocation are using the first available numa node if the mask … WebMar 7, 2024 · + for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, &nid) {/* * The first 1MB is not reported as TDX convertible memory. * Although the first 1MB is always reserved and won't end up @@ -444,7 +445,7 @@ static int build_tdx_memlist(struct list_head *tmb_list) * memblock has already guaranteed they … WebDec 10, 2024 · 7952 * @max_zone_pfn: an array of max PFNs for each zone 7953 * 7954 * This will call free_area_init_node() for each active node in the system. 7955 * Using the page ranges provided by memblock_set_node(), the size of each 7956 * zone in each node and their holes is calculated. If the maximum PFN maricopa county superior court se