iPhone 4s only support mmap of 1 distinct file

Originator:mk
Number:rdar://17092851 Date Originated:02-Jun-2014
Status:No Value Resolved:
Product:iOS SDK Product Version:iOS 7.1
Classification: Reproducible:
 
mmap on iPhone 4s does only support 1 files.
Multiple mappings of the same file is possible, though.

Steps to Reproduce:
1. Open the Xcode project in this GitHub repo: https://github.com/mekjaer/ios-mmap
2. Tweak the parameters in AppDelegate.m - line 19
3. Run example on iPhone 4s

Expected Results:
Expected to be able to mmap multiple files on iPhone 4s, like on iPhone 5s and iPad Air (tested)

Actual Results:
Only possible to mmap 1 distinct file on iPhone 4s

Version:
iOS 7.1


Configuration:
iPhone 4s

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