| Message ID | 20180803065107.28833-2-po-hsu.lin@canonical.com |
|---|---|
| State | New |
| Headers | show |
| Series | UBUNTU: [Config]: enable CONFIG_ZRAM | expand |
On 08/03/18 08:51, Po-Hsu Lin wrote: > BugLink: https://bugs.launchpad.net/bugs/1766823 > > zram is an useful module for memory constrained systems. However it's > imposibble for KVM kernel user to use it. > > Enable the CONFIG_ZRAM and other related configs like in generic kernel to make > it available for KVM kernels, so that it can pass the ubuntu_zram_smoke_test > in the SRU regression test suite. > > Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com> > --- > debian.kvm/config/config.common.ubuntu | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/debian.kvm/config/config.common.ubuntu b/debian.kvm/config/config.common.ubuntu > index 20e51ff2..d2093c1 100644 > --- a/debian.kvm/config/config.common.ubuntu > +++ b/debian.kvm/config/config.common.ubuntu > @@ -1709,6 +1709,7 @@ CONFIG_PERF_EVENTS=y > CONFIG_PERF_EVENTS_INTEL_UNCORE=y > # CONFIG_PERSISTENT_KEYRINGS is not set > CONFIG_PGTABLE_LEVELS=4 > +CONFIG_PGTABLE_MAPPING=y > # CONFIG_PHANTOM is not set > # CONFIG_PHONET is not set > # CONFIG_PHYLIB is not set > @@ -2291,4 +2292,8 @@ CONFIG_ZLIB_INFLATE=y > CONFIG_ZONE_DMA32=y > CONFIG_ZONE_DMA_FLAG=0 > # CONFIG_ZPOOL is not set > -# CONFIG_ZSMALLOC is not set > +CONFIG_ZRAM=m > +CONFIG_ZRAM_LZ4_COMPRESS=y > +CONFIG_ZRAM_WRITEBACK=y CONFIG_ZRAM_WRITEBACK hasn't been implemented yet in Xenial's 4.4 kernel. > +CONFIG_ZSMALLOC=y > +# CONFIG_ZSMALLOC_STAT is not set >
Thanks, I will send V2 for this. BTW, how did you find this issue, I tried to build the kernel before sending this patch but the compiler didn't complain about his. On Wed, Aug 15, 2018 at 12:01 AM, Kleber Souza <kleber.souza@canonical.com> wrote: > On 08/03/18 08:51, Po-Hsu Lin wrote: >> BugLink: https://bugs.launchpad.net/bugs/1766823 >> >> zram is an useful module for memory constrained systems. However it's >> imposibble for KVM kernel user to use it. >> >> Enable the CONFIG_ZRAM and other related configs like in generic kernel to make >> it available for KVM kernels, so that it can pass the ubuntu_zram_smoke_test >> in the SRU regression test suite. >> >> Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com> >> --- >> debian.kvm/config/config.common.ubuntu | 7 ++++++- >> 1 file changed, 6 insertions(+), 1 deletion(-) >> >> diff --git a/debian.kvm/config/config.common.ubuntu b/debian.kvm/config/config.common.ubuntu >> index 20e51ff2..d2093c1 100644 >> --- a/debian.kvm/config/config.common.ubuntu >> +++ b/debian.kvm/config/config.common.ubuntu >> @@ -1709,6 +1709,7 @@ CONFIG_PERF_EVENTS=y >> CONFIG_PERF_EVENTS_INTEL_UNCORE=y >> # CONFIG_PERSISTENT_KEYRINGS is not set >> CONFIG_PGTABLE_LEVELS=4 >> +CONFIG_PGTABLE_MAPPING=y >> # CONFIG_PHANTOM is not set >> # CONFIG_PHONET is not set >> # CONFIG_PHYLIB is not set >> @@ -2291,4 +2292,8 @@ CONFIG_ZLIB_INFLATE=y >> CONFIG_ZONE_DMA32=y >> CONFIG_ZONE_DMA_FLAG=0 >> # CONFIG_ZPOOL is not set >> -# CONFIG_ZSMALLOC is not set >> +CONFIG_ZRAM=m >> +CONFIG_ZRAM_LZ4_COMPRESS=y >> +CONFIG_ZRAM_WRITEBACK=y > > CONFIG_ZRAM_WRITEBACK hasn't been implemented yet in Xenial's 4.4 kernel. > >> +CONFIG_ZSMALLOC=y >> +# CONFIG_ZSMALLOC_STAT is not set >> >
Hi Sam, On 08/15/18 09:23, Po-Hsu Lin wrote: > Thanks, I will send V2 for this. > > BTW, how did you find this issue, I tried to build the kernel before > sending this patch but the compiler didn't complain about his. I ran a grep in the debian* directories (and also on the source code itself to double check) looking for the config options, not finding it I checked the mainline tree for the introducing commit. Thanks, Kleber > > On Wed, Aug 15, 2018 at 12:01 AM, Kleber Souza > <kleber.souza@canonical.com> wrote: >> On 08/03/18 08:51, Po-Hsu Lin wrote: >>> BugLink: https://bugs.launchpad.net/bugs/1766823 >>> >>> zram is an useful module for memory constrained systems. However it's >>> imposibble for KVM kernel user to use it. >>> >>> Enable the CONFIG_ZRAM and other related configs like in generic kernel to make >>> it available for KVM kernels, so that it can pass the ubuntu_zram_smoke_test >>> in the SRU regression test suite. >>> >>> Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com> >>> --- >>> debian.kvm/config/config.common.ubuntu | 7 ++++++- >>> 1 file changed, 6 insertions(+), 1 deletion(-) >>> >>> diff --git a/debian.kvm/config/config.common.ubuntu b/debian.kvm/config/config.common.ubuntu >>> index 20e51ff2..d2093c1 100644 >>> --- a/debian.kvm/config/config.common.ubuntu >>> +++ b/debian.kvm/config/config.common.ubuntu >>> @@ -1709,6 +1709,7 @@ CONFIG_PERF_EVENTS=y >>> CONFIG_PERF_EVENTS_INTEL_UNCORE=y >>> # CONFIG_PERSISTENT_KEYRINGS is not set >>> CONFIG_PGTABLE_LEVELS=4 >>> +CONFIG_PGTABLE_MAPPING=y >>> # CONFIG_PHANTOM is not set >>> # CONFIG_PHONET is not set >>> # CONFIG_PHYLIB is not set >>> @@ -2291,4 +2292,8 @@ CONFIG_ZLIB_INFLATE=y >>> CONFIG_ZONE_DMA32=y >>> CONFIG_ZONE_DMA_FLAG=0 >>> # CONFIG_ZPOOL is not set >>> -# CONFIG_ZSMALLOC is not set >>> +CONFIG_ZRAM=m >>> +CONFIG_ZRAM_LZ4_COMPRESS=y >>> +CONFIG_ZRAM_WRITEBACK=y >> >> CONFIG_ZRAM_WRITEBACK hasn't been implemented yet in Xenial's 4.4 kernel. >> >>> +CONFIG_ZSMALLOC=y >>> +# CONFIG_ZSMALLOC_STAT is not set >>> >>
diff --git a/debian.kvm/config/config.common.ubuntu b/debian.kvm/config/config.common.ubuntu index 20e51ff2..d2093c1 100644 --- a/debian.kvm/config/config.common.ubuntu +++ b/debian.kvm/config/config.common.ubuntu @@ -1709,6 +1709,7 @@ CONFIG_PERF_EVENTS=y CONFIG_PERF_EVENTS_INTEL_UNCORE=y # CONFIG_PERSISTENT_KEYRINGS is not set CONFIG_PGTABLE_LEVELS=4 +CONFIG_PGTABLE_MAPPING=y # CONFIG_PHANTOM is not set # CONFIG_PHONET is not set # CONFIG_PHYLIB is not set @@ -2291,4 +2292,8 @@ CONFIG_ZLIB_INFLATE=y CONFIG_ZONE_DMA32=y CONFIG_ZONE_DMA_FLAG=0 # CONFIG_ZPOOL is not set -# CONFIG_ZSMALLOC is not set +CONFIG_ZRAM=m +CONFIG_ZRAM_LZ4_COMPRESS=y +CONFIG_ZRAM_WRITEBACK=y +CONFIG_ZSMALLOC=y +# CONFIG_ZSMALLOC_STAT is not set
BugLink: https://bugs.launchpad.net/bugs/1766823 zram is an useful module for memory constrained systems. However it's imposibble for KVM kernel user to use it. Enable the CONFIG_ZRAM and other related configs like in generic kernel to make it available for KVM kernels, so that it can pass the ubuntu_zram_smoke_test in the SRU regression test suite. Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com> --- debian.kvm/config/config.common.ubuntu | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)