Re: [yocto] [V2 PATCH 1/1] mm: msync: fix issues of sys_msync on tmpfs

2012-01-03 Thread Bruce Ashfield
On 12-01-03 11:53 PM, Khem Raj wrote: On (22/12/11 09:24), Bruce Ashfield wrote: On 11-12-21 10:07 PM, Zumeng Chen wrote: There are two problems as follows shown: 1 ) for TMPFS, nothing need to be done in sys_msync, sys_msync just return 0 for all arches. 2 ) But for MIPS CPUs with cache

[yocto] [V2 PATCH 1/1] mm: msync: fix issues of sys_msync on tmpfs

2011-12-21 Thread Zumeng Chen
There are two problems as follows shown: 1 ) for TMPFS, nothing need to be done in sys_msync, sys_msync just return 0 for all arches. 2 ) But for MIPS CPUs with cache alias(dmesg|grep alias), it maybe has the issue, which reported by msync test suites in ltp-full, when the memory of