>Hi Atsushi, > >Since complaint has been got from our user about the oom issue, and it's >still a little longer time to get to 1.5.7, could you please merge this >patchset firstly to devel branch, then we can back port it with a valid >commit id which will be consistent? I've done it, here you are: http://git.code.sf.net/p/makedumpfile/code - [PATCH 3/3] Stop maximizing the bitmap buffer to reduce the risk of OOM. (by Atsushi Kumagai) 0b73282 - [PATCH 2/3] Move counting pfn_memhole for cyclic mode. (by Atsushi Kumagai) 2648a8f - [PATCH 1/3] Remove the 1st bitmap buffer from the ELF path in cyclic mode. (by Atsushi Kumagai) 16b94ab Thanks Atsushi Kumagai >Thanks >Baoquan > >On 06/10/14 at 04:51am, Atsushi Kumagai wrote: >> Hello, >> >> makedumpfile tries maximizing the bitmap buffer size to get the >> best performance, but it occasionally cause OOM because the safe >> limit is variable and it can be too aggressive depending on the >> situation. >> >> I think reliability is more important than performance for dump >> tools, so I decided to remove the maximization. I don't worry >> about performance degradation, please see [PATCH 3/3]. >> >> If there is no objection, I'll merge this patch into v1.5.7. >> >> BTW, an expert user still can try to maximize the bitmap buffer with >> --cyclic-buffer option. >> >> Atsushi Kumagai (3): >> Remove the 1st bitmap buffer from the ELF path in cyclic mode. >> Move counting pfn_memhole for cyclic mode. >> Stop maximizing the bitmap buffer to reduce the risk of OOM. >> >> makedumpfile.8 | 1 - >> makedumpfile.c | 117 >++++++++++++++++++++------------------------------------------------------------------------------ >> print_info.c | 1 - >> 3 files changed, 24 insertions(+), 95 deletions(-) >> >> _______________________________________________ >> 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
