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Bug #3785

closed

Implement MAP_32BIT flag to mmap()

Added by Theo Schlossnagle over 8 years ago. Updated about 8 years ago.

Status:
Resolved
Priority:
Normal
Category:
kernel
Start date:
2013-05-25
Due date:
% Done:

100%

Estimated time:
Difficulty:
Bite-size
Tags:
Gerrit CR:

Description

The kernel internals already support the idea of mmap restricting itself to below the 4GB boundary. It is a private kernel flag and can't be passed in from user space.

Linux supports this and it is useful for systems that do pointer packing where allocations need to be limited.


Files

mmap-test-3785.c (664 Bytes) mmap-test-3785.c Test case. Theo Schlossnagle, 2013-05-25 01:53 PM
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