Messages in this thread | | | Date | Tue, 11 Nov 2008 23:32:25 +0100 | From | Takashi Iwai <> | Subject | Re: [PATCH] Allocate module.ref array dynamically |
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At Tue, 11 Nov 2008 23:15:50 +0100, Eric Dumazet wrote: > > Eric Dumazet a écrit : > > Takashi Iwai a écrit : > >> Hi, > >> > >> we found that the kernel module sizes and memory footprints > >> grow drastically when NR_CPUS is high. For example, with > >> NR_CPUS=4096, SUSE kernel packages weigh over 500MB (even w/o debug > >> info). > >> > >> A part of the reason is the fixed size array in struct module. > >> The patch below fixes the problem by allocating it dynamically. > >> With the patch, the size can go down to 20MB. > >> > >> > >> Any comments/suggestions appreciated. > >> > > > > Many attempts were done on this area on the past. > > Forgot to include a link to previous attempt : http://lkml.org/lkml/2008/5/15/402
Thanks, an interesting thread.
Takashi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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