On Sun, Jul 24, 2005 at 10:40:19PM -0300, Márcio Oliveira wrote: > Neil Horman wrote: > > >On Sat, Jul 23, 2005 at 08:16:20PM -0300, Márcio Oliveira wrote: > > > > > >>Neil, > >> > >> > >> > >>>The best way I can think to do that is take a look at /proc/slabinfo. > >>>That will > >>>likely give you a pointer to which area of code is eating up your memory. > >>> > >>> > >>> > >>> > >>OK. I will monitor the /proc/slabinfo file. > >> > >> > >> > >>>Based on the sysrq-m info you posted it looks like due to fragmentation > >>>the > >>>largest chunk of memory you can allocate is 2MB (perhaps less depending > >>>on > >>>address space availability). If you can build a test kernel to do a > >>>show_state > >>>rather than a show_mem at the beginning of oom_kil, then you should be > >>>able to > >>>tell who is trying to do an allocation that leads to kswapd calling > >>>out_of_memory. > >>> > >>> > >>> > >>> > >>Neil, I'm trying to recompile the kernel source 2.4.21-32.0.1 and get > >>some error messages: > >> > >>In file included from > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/prefetch.h:13, > >> from > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/list.h:6, > >> from > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:12, > >> from 3w-xxxx.c:172: > >>/usr/src/linux-2.4.21-32.0.1.EL/include/asm/processor.h:61: warning: > >>parameter names (without types) in function declaration > >>/usr/src/linux-2.4.21-32.0.1.EL/include/asm/processor.h:61: field > >>`loops_per_jiffy_R_ver_str' declared as a function > >>/usr/src/linux-2.4.21-32.0.1.EL/include/asm/processor.h:84: invalid > >>suffix on integer constant > >>/usr/src/linux-2.4.21-32.0.1.EL/include/asm/processor.h:84: syntax error > >>before numeric constant > >>/usr/src/linux-2.4.21-32.0.1.EL/include/asm/processor.h:84: warning: > >>function declaration isn't a prototype > >>/usr/src/linux-2.4.21-32.0.1.EL/include/asm/processor.h:269: invalid > >>suffix on integer constant > >>/usr/src/linux-2.4.21-32.0.1.EL/include/asm/processor.h:269: syntax > >>error before numeric constant > >>/usr/src/linux-2.4.21-32.0.1.EL/include/asm/processor.h:269: warning: > >>function declaration isn't a prototype > >>/usr/src/linux-2.4.21-32.0.1.EL/include/asm/processor.h:273: warning: > >>parameter names (without types) in function declaration > >>In file included from 3w-xxxx.c:172: > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:190: invalid > >>suffix on integer constant > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:190: syntax error > >>before numeric constant > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:190: > >>`inter_module_register_R_ver_str' declared as function returning a > >>function > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:190: warning: > >>function declaration isn't a prototype > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:191: invalid > >>suffix on integer constant > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:191: syntax error > >>before numeric constant > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:191: > >>`inter_module_unregister_R_ver_str' declared as function returning a > >>function > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:191: warning: > >>function declaration isn't a prototype > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:192: > >>`inter_module_get_R_ver_str' declared as function returning a function > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:192: warning: > >>parameter names (without types) in function declaration > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:193: > >>`inter_module_get_request_R_ver_str' declared as function returning a > >>function > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:193: warning: > >>parameter names (without types) in function declaration > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:194: invalid > >>suffix on integer constant > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:194: syntax error > >>before numeric constant > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:194: > >>`inter_module_put_R_ver_str' declared as function returning a function > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:194: warning: > >>function declaration isn't a prototype > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:203: > >>`try_inc_mod_count_R_ver_str' declared as function returning a function > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h:203: warning: > >>parameter names (without types) in function declaration > >>make[3]: *** [3w-xxxx_10200033.o] Error 1 > >>make[3]: Leaving directory > >>`/usr/src/linux-2.4.21-32.0.1.EL/drivers/addon/3w-xxxx_10200033' > >>make[2]: *** [_modsubdir_3w-xxxx_10200033] Error 2 > >>make[2]: Leaving directory `/usr/src/linux-2.4.21-32.0.1.EL/drivers/addon' > >>make[1]: *** [_modsubdir_addon] Error 2 > >>make[1]: Leaving directory `/usr/src/linux-2.4.21-32.0.1.EL/drivers' > >>make: *** [_mod_drivers] Error 2 > >> > >>Is there any relationship between the sysrq-m changes to do show_state() > >>rather than a show_mem() and the compiling erros? > >> > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/prefetch.h, line 13: > >> #include <asm/processor.h> > >> > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/list.h ,line 6: > >> #include <linux/prefetch.h> > >> > >>/usr/src/linux-2.4.21-32.0.1.EL/include/linux/module.h, line 12: > >> #include <linux/list.h> > >> > >>3w-xxxx.c, line 172: > >> #include <linux/module.h> > >> > >>Any ideia about the kernel compiling erros? > >> > >>(If I try to recompile a kernel.org kernel, it is compiled fine). > >> > >>Thanks again. > >> > >>Márcio. > >> > >> > >> > >I honestly don't know. I expect you haven't patched something correctly, > >have > >you built the source tree with rpmbuild, or are you just extracting the > >tar file > >from the rpm? > >Neil > > > > > > I honestly have no idea. Suffice it to say, I never build out of the kernel-source package. Better to use the kernel src rpm, do an rpmbuild -bp on the kernel src rpm, setting your target arch accordingly. I have no problems with that on any RHEL kernels. Neil
> I'm using the kernel-source package and trying to compiling the > source (in /usr/src/linux-2.4 directory) with "make config", "make dep", > "make clean", "make bzImage", "make modules" and "make > modules_install". I also try to compile a RHEL3 kernel-source without > the sysrq-m changes on other RHEL3 systems and get the same errors... > > If I try to compile a kernel source provide by kernel.org, I don't > get the errors above, and the kernel compile works. When I try to > compile the RHEL3 kernel-source, the "make config", "make dep", "make > clean" and "make bzImage" commands works fine but when I run "make > modules" command I get the errors above. I think that is some issue with > the RHEL3 kernel-source package because other kernel sources (not Red > Hat kernel) compile without problems. > > I will try to compile the kernel using rpmbuild and check the > results, plus the slabinfo informations. > > Thanks again, > > Márcio. -- /*************************************************** *Neil Horman *Software Engineer *Red Hat, Inc. [EMAIL PROTECTED] *gpg keyid: 1024D / 0x92A74FA1 *http://pgp.mit.edu ***************************************************/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
