Pre-Grant Publication Number: 20070118712
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Prior Art Detail
#13AIX Version 4.3 Base Operating System and Extensions Technical Reference, Volume 1
Applies to Claims 1
Summary / Description
| Summary / Description | AIX base technical reference for the disclaim subroutine which allows one to mark memory for reuse without freeing the memory. |
Basic Information
| Type of Prior Art | Online Publication |
| URL | http://inetsd01.boulder.ibm.com... |
| Author/Creator | IBM |
| Title | disclaim subrutine |
| Publication Date | October 1, 1997 |
| Publisher | IBM |
| Directions to Document Location | |
| Additional Information | |
Notes / To Do
| Notes | |
Excerpt
Excerpt Flag Must be the value ZERO_MEM, which indicates that each memory location in the address range should be set to 0 |
Relevance
Claims
1
A method for allocating memory freed by applications in a computer system having an operating system (O/S), said method comprising:
a) designating a status of said one or more freed memory units previously associated with an application as available for reuse;
b) organizing one or more freed memory units having said available for reuse status into one or more free memory pools, wherein freed memory units in a pool are directly allocated to an application requiring backing physical memory store without the O/S deleting data in the freed memory units.
Relevance
The disclaim subroutine marks an area of memory that is no longer needed which stops the system from paging that memory area. The memory can be reused at that point. One of the parameters to disclaim indicates that the memory must be zeroed out.
The disclaim subroutine marks an area of memory that is no longer needed which stops the system from paging that memory area. The memory can be reused at that point. One of the parameters to disclaim indicates that the memory must be zeroed out.
Claim Chart
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