Hello Kumagai-san, > I'm curious to know the status of this patch because I'll release > makedumpfile-1.5.2 with the feature to exclude hwpoison page soon. I requested Andrew to merge the kernel side patch, and the patch has been added the -mm tree. Please push the makedumpfile side patch into makedumpfile-1.5.2. Regards, Mitsuhiro Tanino > TO: mm-commits at vger.kernel.org; > CC: mitsuhiro.tanino.gm at hitachi.com; ebiederm at xmission.com; vgoyal at redhat.com; > Sender: akpm at linux-foundation.org > Sugject: + kexec-export-pg_hwpoison-flag-into-vmcoreinfo.patch added to -mm tree > Date: 2013/02/13 07:50 > > > The patch titled > Subject: kexec: export PG_hwpoison flag into vmcoreinfo > has been added to the -mm tree. Its filename is > kexec-export-pg_hwpoison-flag-into-vmcoreinfo.patch > > Before you just go and hit "reply", please: > a) Consider who else should be cc'ed > b) Prefer to cc a suitable mailing list as well > c) Ideally: find the original patch on the mailing list and do a > reply-to-all to that, adding suitable additional cc's > > *** Remember to use Documentation/SubmitChecklist when testing your code *** > > The -mm tree is included into linux-next and is updated > there every 3-4 working days > > ------------------------------------------------------ > From: Mitsuhiro Tanino <mitsuhiro.tanino.gm at hitachi.com> > Subject: kexec: export PG_hwpoison flag into vmcoreinfo > > This patch exports a PG_hwpoison into vmcoreinfo when > CONFIG_MEMORY_FAILURE is defined. "makedumpfile" needs to read > information of memory, such as 'mem_section', 'zone', 'pageflags' from > vmcore. > > We introduce a function into "makedumpfile" to exclude hwpoison page from > vmcore dump. In order to introduce this function, PG_hwpoison flag have > to export into vmcoreinfo. > > Signed-off-by: Mitsuhiro Tanino <mitsuhiro.tanino.gm at hitachi.com> > Acked-by: "Eric W. Biederman" <ebiederm at xmission.com> > Cc: Mitsuhiro Tanino <mitsuhiro.tanino.gm at hitachi.com> > Cc: Vivek Goyal <vgoyal at redhat.com> > Signed-off-by: Andrew Morton <akpm at linux-foundation.org> > --- > > kernel/kexec.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff -puN kernel/kexec.c~kexec-export-pg_hwpoison-flag-into-vmcoreinfo kernel/kexec.c > --- a/kernel/kexec.c~kexec-export-pg_hwpoison-flag-into-vmcoreinfo > +++ a/kernel/kexec.c > @@ -1537,6 +1537,9 @@ static int __init crash_save_vmcoreinfo_ > VMCOREINFO_NUMBER(PG_private); > VMCOREINFO_NUMBER(PG_swapcache); > VMCOREINFO_NUMBER(PG_slab); > +#ifdef CONFIG_MEMORY_FAILURE > + VMCOREINFO_NUMBER(PG_hwpoison); > +#endif > VMCOREINFO_NUMBER(PAGE_BUDDY_MAPCOUNT_VALUE); > > arch_crash_save_vmcoreinfo(); > _ > > Patches currently in -mm which might be from mitsuhiro.tanino.gm at hitachi.com are > > kexec-export-pg_hwpoison-flag-into-vmcoreinfo.patch (2013/02/08 17:49), Atsushi Kumagai wrote: > Hello, > > On Wed, 31 Oct 2012 23:05:05 +0900 > Mitsuhiro Tanino <mitsuhiro.tanino.gm at hitachi.com> wrote: > >> This patch exports a PG_hwpoison into vmcoreinfo when >> CONFIG_MEMORY_FAILURE is defined. >> "makedumpfile" needs to read information of memory, such as >> 'mem_section', 'zone', 'pageflags' from vmcore. >> >> We introduce a function into "makedumpfile" to exclude >> hwpoison page from vmcore dump. >> In order to introduce this function, PG_hwpoison flag have >> to export into vmcoreinfo. >> >> Signed-off-by: Mitsuhiro Tanino <mitsuhiro.tanino.gm at hitachi.com> > > I'm curious to know the status of this patch because I'll release > makedumpfile-1.5.2 with the feature to exclude hwpoison page soon. > > > Thanks > Atsushi Kumagai > >> --- >> kernel/kexec.c | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/kernel/kexec.c b/kernel/kexec.c >> index 0668d58..0d5d6bc 100644 >> --- a/kernel/kexec.c >> +++ b/kernel/kexec.c >> @@ -1513,6 +1513,9 @@ static int __init crash_save_vmcoreinfo_init(void) >> VMCOREINFO_NUMBER(PG_lru); >> VMCOREINFO_NUMBER(PG_private); >> VMCOREINFO_NUMBER(PG_swapcache); >> +#ifdef CONFIG_MEMORY_FAILURE >> + VMCOREINFO_NUMBER(PG_hwpoison); >> +#endif >> >> arch_crash_save_vmcoreinfo(); >> update_vmcoreinfo_note(); >> -- >> 1.7.10.1 >> >> _______________________________________________ >> kexec mailing list >> kexec at lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/kexec > > _______________________________________________ > kexec mailing list > kexec at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/kexec > . >
