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In x86_64 architecture, if I modify a PTE in the page table, when will it be sync to TLB?

Published on
#x86-64 #tlb #page-tables
48
Views

Troubleshooting ARM Cortex-A72 Address Translation: Seeking Clarification on Level 1 vs. Level 2 Translation and Register Analysis

Published on
#memory #memory-management #arm #tlb #cortex-a
30
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How does a TLB manage memory translation for addresses that cross page boundaries?

Published on
#cpu-architecture #hardware #virtual-memory #tlb #page-size
31
Views

size of TLB entry

Published on
#caching #tlb
14
Views

What's the purpose of ref bit in TLB

Published on
#tlb
62
Views

Why does it take so long for cpu to write memory after it has obtained the physical address?

Published on
#linux-kernel #tlb #mmu
62
Views

Will page table data be saved in the CPU cache?

Published on
#caching #cpu-architecture #cpu-cache #tlb
246
Views

Will an x86_64 CPU notice that a page-table entry has changed to not-present while setting the dirty flag in the PTE?

Published on
#linux-kernel #x86-64 #cpu-architecture #tlb #page-tables
63
Views

Is L2 TLBs on the critical path for L1 cache accesses?

Published on
#caching #cpu-architecture #cpu-cache #tlb
129
Views

How to set the Linux kernel to use transparent huge pages of 1GB page size?

Published on
#linux #memory-management #linux-kernel #tlb #huge-pages
67
Views

Is there any way to keep the dirty bit in x86 page tables coherent without TLB invalidates?

Published on
#x86 #x86-64 #cpu-architecture #tlb #page-tables
87
Views

Getting count of TLB misses that resulted in memory access in x86-64

Published on
#x86-64 #cpu-architecture #intel #tlb #intel-pmu
36
Views

Compute the number of TLB misses with a replacement policy consisting of LRU

Published on
#operating-system #tlb
38
Views

Measuring ITLB_FLUSH on icelake processors

Published on
#x86 #cpu #perf #tlb #intel-pmu
58
Views

when to clear the TLB if using process identifier?

Published on
#caching #memory #tlb
64
Views

What happens on a TLB miss? Is pipelined stalled? Exception raised?

Published on
#caching #tlb
68
Views

Virtual Memory Manager code, not calculating the physical address correctly

Published on
#c #memory-management #operating-system #virtual-memory #tlb
39
Views

Do hugepages guarantee a single tlb entry in the kernel driver when allocated with alloc_pages(GFP_KERNEL | __GFP_COMP)?

Published on
#linux-kernel #kernel-module #tlb #huge-pages
159
Views

What happens to the TLB during a segmentation fault?

Published on
#memory-management #operating-system #paging #tlb
133
Views

What happens after TLB miss in x86?

Published on
#caching #x86 #cpu-architecture #tlb #page-tables

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