Re: KSM not working in 4.9 Kernel

2018-09-21 Thread Mike Rapoport
On Thu, Sep 20, 2018 at 05:21:20PM +0530, Pintu Kumar wrote: > Hi, > > Thank you so much for all your reply so far. > I have few more doubts to understand the output from ksm sysfs. > Device: Hikey620 - ARM64 - Linux 4.9.20 > With HUGE page enabled: > CONFIG_TRANSPARENT_HUGEPAGE=y > CONFIG_TRANSPA

Re: KSM not working in 4.9 Kernel

2018-09-20 Thread Pintu Kumar
Hi, Thank you so much for all your reply so far. I have few more doubts to understand the output from ksm sysfs. Device: Hikey620 - ARM64 - Linux 4.9.20 With HUGE page enabled: CONFIG_TRANSPARENT_HUGEPAGE=y CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y # CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set Curr

Re: KSM not working in 4.9 Kernel

2018-09-17 Thread Mike Rapoport
On Mon, Sep 17, 2018 at 05:25:27PM +0530, Pintu Kumar wrote: > On Mon, Sep 17, 2018 at 11:46 AM Pintu Kumar wrote: > > > > But still no effect. > > > > And I checked LTP test cases. It almost doing the same thing. > > > > > > > > I observed that [ksmd] thread is not waking up at all. > > > > I gav

Re: KSM not working in 4.9 Kernel

2018-09-17 Thread Pintu Kumar
On Mon, Sep 17, 2018 at 11:46 AM Pintu Kumar wrote: > > > But still no effect. > > > And I checked LTP test cases. It almost doing the same thing. > > > > > > I observed that [ksmd] thread is not waking up at all. > > > I gave some print inside it, but I could never saw that prints coming. > > > I

Re: KSM not working in 4.9 Kernel

2018-09-16 Thread Pintu Kumar
On Mon, Sep 17, 2018 at 10:07 AM Mike Rapoport wrote: > > On Sun, Sep 16, 2018 at 10:35:17PM +0530, Pintu Kumar wrote: > > On Sun, Sep 16, 2018 at 9:02 PM Mike Rapoport > > wrote: > > > > > > On Fri, Sep 14, 2018 at 07:58:01PM +0530, Pintu Kumar wrote: > > > > Hi All, > > > > > > > > Board: Hike

Re: KSM not working in 4.9 Kernel

2018-09-16 Thread Mike Rapoport
On Sun, Sep 16, 2018 at 10:35:17PM +0530, Pintu Kumar wrote: > On Sun, Sep 16, 2018 at 9:02 PM Mike Rapoport wrote: > > > > On Fri, Sep 14, 2018 at 07:58:01PM +0530, Pintu Kumar wrote: > > > Hi All, > > > > > > Board: Hikey620 ARM64 > > > Kernel: 4.9.20 > > > > > > I am trying to verify KSM (Kerne

Re: KSM not working in 4.9 Kernel

2018-09-16 Thread Pintu Kumar
On Sun, Sep 16, 2018 at 9:02 PM Mike Rapoport wrote: > > On Fri, Sep 14, 2018 at 07:58:01PM +0530, Pintu Kumar wrote: > > Hi All, > > > > Board: Hikey620 ARM64 > > Kernel: 4.9.20 > > > > I am trying to verify KSM (Kernel Same Page Merging) functionality on > > 4.9 Kernel using "mmap" and madvise u

Re: KSM not working in 4.9 Kernel

2018-09-16 Thread Mike Rapoport
On Fri, Sep 14, 2018 at 07:58:01PM +0530, Pintu Kumar wrote: > Hi All, > > Board: Hikey620 ARM64 > Kernel: 4.9.20 > > I am trying to verify KSM (Kernel Same Page Merging) functionality on > 4.9 Kernel using "mmap" and madvise user space test utility. > But to my observation, it seems KSM is not w

Re: KSM not working in 4.9 Kernel

2018-09-14 Thread Pintu Kumar
On Fri, 14 Sep 2018, 10:42 pm Yang Shi, wrote: > > Hi Pintu, > > I recall there are some ksm test cases in LTP. Did you try them out? No. I haven't seen the LTP test. I will check out now. But I wonder what is the problem with my test? > On Fri, Sep 14, 2018 at 7:28 AM Pintu Kumar wrote: > > >

Re: KSM not working in 4.9 Kernel

2018-09-14 Thread Yang Shi
Hi Pintu, I recall there are some ksm test cases in LTP. Did you try them out? On Fri, Sep 14, 2018 at 7:28 AM Pintu Kumar wrote: > > Hi All, > > Board: Hikey620 ARM64 > Kernel: 4.9.20 > > I am trying to verify KSM (Kernel Same Page Merging) functionality on > 4.9 Kernel using "mmap" and madvise

KSM not working in 4.9 Kernel

2018-09-14 Thread Pintu Kumar
Hi All, Board: Hikey620 ARM64 Kernel: 4.9.20 I am trying to verify KSM (Kernel Same Page Merging) functionality on 4.9 Kernel using "mmap" and madvise user space test utility. But to my observation, it seems KSM is not working for me. CONFIG_KSM=y is enabled in kernel. ksm_init is also called dur