[PATCH 3.16 245/366] ARC: mm: allow mprotect to make stack mappings executable

3.16.61-rc1 review patch. If anyone has any objections, please let me know. -- From: Vineet Gupta commit 93312b6da4df31e4102ce5420e6217135a16c7ea upstream. mprotect(EXEC) was failing for stack mappings as default vm flags was missing MAYEXEC. This was triggered by glibc test

[PATCH 3.16 245/366] ARC: mm: allow mprotect to make stack mappings executable

3.16.61-rc1 review patch. If anyone has any objections, please let me know. -- From: Vineet Gupta commit 93312b6da4df31e4102ce5420e6217135a16c7ea upstream. mprotect(EXEC) was failing for stack mappings as default vm flags was missing MAYEXEC. This was triggered by glibc test