Paging is a memory management method. It is also often described as swapping.

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How much of logical memory is actually allocated for each process on disk?

Suppose the processor is 32 bit. So each process running on that processor gets 2^32 bits of logical memory. If the system is having n processes, is n*2^32 bits allocated on disk? where is it ...
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How to detect thrashing on an SSD-equipped system?

With spinning hard disks it was relatively common to hear disk thrashing when some process, Windows or otherwise, was making a bad fist of things. Quite often this was an indicator that a process was ...
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Windows XP 32-bit page fault (other OSes unaffected)

The cause of this is unknown, as I performed a proper shutdown at the last time before this has occurred. I have attempted to boot into Safe Mode and twice used the Last known good configuration ...
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Enabling TransHugePage in User Mode Linux

I am running User Mode Linux with Gentoo file system and using 32 bit Linux kernel version 3.12.36. I am not able to enable THP because I am not able to find the requisite file: ls /sys/kernel/mm ...
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Conflicting defintions of virtual memory

It seems that there are two definitions of virtual memory, and I'm wondering do they both describe the same thing or is it that two similar but distinct concepts are called the same thing? ...
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page size in an OS with segmented demand paging

Exam Question : Assume that we're using an operating system which uses segmented demand paging with N segments and the average size of each segment is S and each entry in the page table is e bytes and ...
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51 views

Is it possible to manually send programs to virtual memory in windows?

If you have many open programs and your machine is going too high on memory/cpu utilization you might want to close a program without loosing its state (sending it to virtual memory) and then resume ...
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48 views

What does the content of the page table look like after a page has been swapped out to the disk?

From what I understand, the page table maps virtual addresses to physical addresses. But what if a page has been swapped out to the disk? Wouldn't the location of the data take more bits to write ...
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83 views

minimize windows swap file usage

I know completely disabling the swapfile is not a good idea, so i'd like just to minimize its usage, so that the memory pages will be swapped only when the physical memory is completely full. I know ...
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Hardware Support for Paging

The address consists of 16 bits, and the page size is 8KB. The page table thus consists of eight entries that are kept in fast registers. How do we get the total entries in the page table as 8? ...
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does switching my paging file in a non system partition will slow my PC?

I have running out of space on Drive c: because of the windows 7 updates and other software. so I decided to switch my paging file from drive c: to drive D: to free some space temporally until I can ...
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Paging file reset - Windows 7

We know that the paging file will be reset every restart/shutdown. Is there anyway to reset the paging file without restart or shutdown? And does it really matter if I left the paging file in a ...
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Is it possible to perform Windows boot-time actions before paging is enabled?

I would like to perform some actions at Windows boot time before paging is enabled. I know I can run startup scripts with Task Scheduler or with group policy startup scripts. My question is whether ...
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Pagefile usage fluctuating with zero paging I/O

I fired up the Performance Monitor and noticed that the % Usage on the 4GB pagefile fluctuates between 4-10% while the computer is sitting "idle." (I calculate that to be approx. ~160-400MB.) Memory ...
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Windows NT Paging Algorithms

I've been trying to figure out how the paging works inside Windows operating systems. I found a blog post from Mark Russovich back in 1998 about such memory management. He discusses the "Least ...
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650 views

Cannot suppress page numbers in MS Word 2010

In the question Setting page numbering on Word the questioner wants page numbers to show up only on the 5th page onwards, beginning with page number 1. The accepted answer shows how to do this, ...
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543 views

Can a program break a cpu and/or gpu?

For the record I have posted this question on other forums and nobody has a clue. I have an Alienware 14 (Intel i7 4700MQ and GeForce GTX 765M). A while ago I ran an emulated version of the original ...
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Windows 7 Paging file apparently not being used

I'm running Windows 7 Home Premium 32bit on a mobo with 24GB RAM. Of those 24GB, 20GB are assigned as a RAMDISK via ASRock XFastRAM. This RAMDISK has the drive letter X assigned to it. On X:\ I'm ...
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385 views

How to know the size of page frame used by my OS?

How to know the size of page frame used by my OS ? This could be useful for some optimizations when I code. (Allocate big buffer that fit in a page frame for example). Page frame is determined by ...
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Is the RAM page size always the same of swap disk page size? [closed]

Could they be different in some case? How is RAM page size determined/changed?
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515 views

Why Windows XP SP3 still uses the pagefile, even if it's disabled?

I've an old computer which is running Windows XP. Some days ago I formatted it and reinstalled Windows XP with SP3 (the previous one was SP1 I think), and i noticed that in the performance tab of the ...
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2k views

How to calculate the size of the page table from this data?

A computer uses 46–bit virtual address, 32–bit physical address, and a three–level page table organization. The page table base register stores the base address of the first–level table, which ...
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Why does Linux use a swap partition when the kernel supports paging/virtual memory anyway?

As far as I understand paging and swapping, they're completely different concepts. While swapping means, that a process is either completely in physical memory or on the hard drive, with paging parts ...
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Do virtual machines need a paging file?

I have read this, which has confused me a little: Virtual Machines require physical not virtual memory so you do not need to count the memory allocated to your VM's when calculating your paging ...
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Random freezing caused by khugepaged?

I have a fairly beefy Arch Linux computer, kernel 3.7.7-1-ARCH. However, recently it's been having random freeze ups. Never common, but it'd freeze for a good 15 seconds where no program is responsive....
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Swaping, Paging, Segmentation, and Virtual memory on x86 PM architecture

Well, this may seem a common or already asked question but after searching various books, online tutorials and even here on SU, I am still puzzled at how these four beasts work together on a x86 ...
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How big is PATA throughput on original Macbook Air (Rev A)?

I still have one of the original Macbook Air's that I use sometimes. It's got 2Gb of RAM and whenever it's filling up and starts paging, the whole things becomes barely responsive. I've heard SSD's ...
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VMWare Player slows down computer after exit

After exiting VMWare player, my main OS (Windows 7) lags and slows down tremendously. The HDD is seeking excessively. I see that the issue is that it's swapping tons of pages rapidly. This lasts ...
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Windows 7 Hard fault / Page fault and memory bottleneck

Windows 7 resmon displays 0 hard faults. But perfmon shows pagefault around 60 and perfmon /report tells me my system swaps actively. AFAIK not every page fault is hard fault: page could be stored ...
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548 views

PC hardware (HDD, BIOS / motherboard) acting weird

This is going to be long story. I'm trying to figure out what the hardware problem with my desktop is. It started with my Windows XP's very slow response and later even a BSOD, when shutting down. ...
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393 views

Is virtual memory related to virtual address space of a process?

I have understood that Paging is a memory management technique which allows computer to bring data from secondary storage to main memory for executing process. It gives an impression to process that ...
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Is there Special Paging mode in XP for high memory usage scenarios

I have observed that once my PC (WinXP-x86) has a Peak Commit Charge exceeding the Total Physical Memory (as reported by Task Manager) that my PC grinds to a halt. Obviously paging is going to be the ...
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587 views

Disk cache: Preventing one process from grinding my machine to a halt?

I'm trying to run a very long and slow (but important) background process on my computer. It took all weekend and is still running. The problem is that this process scans dozens of GBs of disk files (...
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How do you keep a specific process out of virtual memory (aka paging)?

In windows, my guest VM keeps getting put into virtual memory... and then the VM freezes... because the VM is not able to respond at all. I even wait like 5 minutes and no response from the VM. How ...
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How can you limit the amount of memory an application in Windows 7 x64 can use? In particular X3 Terran Conflict

I am running the latest version of X3 Terran Conflict (3.1) and after about 30 min - 1 hour it's memory usage goes well above 2 GB. I only have 4 GB of ram, running Windows 7 64 bit. As a result of ...
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Is DIMM to USB convertor available?

I have a 512MiB DDR2 SODIMM SDRAM lying about, after upgrading my brother's notebook's to 2GiB. Seeing that it is not being used, and it hardly has any value on the market, I'd love it if I can use it ...
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Virtual memory paging

If the page size is 512 bytes and the paging table has 64 elements, each 11 bit. Howmany bits is the physical address then? - What does '11 bit' mean in this case? Is it the number of the frame (2^11) ...
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windows 7 slow (paging a lot) after closing VMware

I am using Windows 7 with 4GB of memory, and am running VMWare with 2GB of memory. Every time I shutdown the VM, for some stupid (or overly smart) reasons, there is a lot of paging going on, and I ...
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435 views

Can we decrease page swapping? [duplicate]

Possible Duplicates: Windows Swap (Page File): Enable or Disable? Can we decrease page swapping? My system has a 5GB RAM. And my paging file size is 2GB Even though I have many RAM, page-...
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374 views

BIOS interrupts, privilege levels and paging

I was learning about Intel 8086-80486 CPUs and their interactions with hardware. But I still don´t understand it quite well. Please, help me fill blank spots. First, I know that the CPU communicates ...
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Paging file size on vista

I have 2 GB RAM. Can I make paging file size size to 0 (means "No Paging" option). Because my peak RAM usage goes only upto 1.5 GB. So I think there is no need for paging. Will there be any ...