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- Re: how to get physical memory address from virtual memory address
Not true. When the respective page is swapped out, there is no physical address associated to given virtual address.- Re: how to get physical memory address from virtual memory address
Hari wrote: There isn't one. You haven't allocated any physical memory, so the kernel doesn't give you any. DS- Re: how to get physical memory address from virtual memory address
So what happens if you 'malloc' more memory than is physically present? What happens if three programs each 'malloc' a block that is equal in size to half of physical memory? What would be the point of swap if this were the case? Yes, it can change at any time. It can even change such that there is not one. And because Linux is demand paged, when you first allocate or- RamSmash 1.9.4.2006 - Free up memory on your computer
RamSmash frees wasted memory back to the pool of available resources. By optimizing memory utilization your computer will operate at stable speeds and never run out of memory. Very easy to use, fully compliant with all versions of Microsoft Windows and automatically frees memory in real-time. Boost the performance of your PC the easy way. Optimizes computer memory by freeing wasted memory back to the computer. Works in the background to free memory to reasonable values to maintain system stability. Visual representation in system tray which displays computer memory available to the system.- Re: how to get physical memory address from virtual memory address
Where does the physical memory come from when you turn on virtual memory overcommits? Look at Documentation/vm/overcommit-ac counting in your kernel sources. Setting vm.overcommit_memory=1 is indeed useful in some circumstances but can lead to unpredictable process deaths.- Cygnus Hex Editor FREE EDITION 1.00 ( Tools & Editors )
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Many software products, including Windows, load a huge amount of libraries in memory, but not all of them are necessary. Our memory optimizer product will find these memory blocks and will unload them to the page file. When some of this data becomes necessary it is loaded back to RAM memory again. Sometimes when applications close, not the entire allocated memory is released. RAM Booster Expert finds these memory leaks and flushes them, increasing size of free memory. Also RAM Booster Expert make a memory de-fragmentation that reduce the needed time for CPU to find the information.
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