Messages in this thread | | | Date | Thu, 04 Aug 2011 22:43:25 -0700 | From | Randy Dunlap <> | Subject | Re: [PATCH -next] drivers/base/inode.c: let vmstat_text be optional |
| |
On 08/04/11 19:38, Cong Wang wrote: > 于 2011年08月05日 06:22, Randy Dunlap 写道: >> From: Randy Dunlap<rdunlap@xenotime.net> >> >> vmstat_text is only available when PROC_FS or SYSFS is enabled. >> This causes build errors in drivers/base/node.c when they are >> both disabled: >> >> drivers/built-in.o: In function `node_read_vmstat': >> node.c:(.text+0x10e28f): undefined reference to `vmstat_text' >> >> Rather than litter drivers/base/node.c with #ifdef/#endif around >> the affected lines of code, add macros for optional sysdev >> attributes so that those lines of code will be ignored, without >> using #ifdef/#endif in the .c file(s). I.e., the ifdeffery >> is done only in a header file with sysdev_create_file_optional() >> and sysdev_remove_file_optional(). >> > > This looks ugly for me, because other sysfs files here are not optional > only due to that they don't rely on vmstat_text. > > I still think my approach to fix this is better, that is, introducing > a new Kconfig for drivers/base/node.c which depends on CONFIG_SYSFS.
Did you post a patch for that? I must have missed it.
thanks, -- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** -- 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/
| |