James Bottomley wrote: > On Wed, 2009-06-24 at 15:45 +0900, Tejun Heo wrote: >> This patch makes most !CONFIG_HAVE_SETUP_PER_CPU_AREA archs use >> dynamic percpu allocator. The first chunk is allocated using >> embedding helper and 8k is reserved for modules. This ensures that >> the new allocator behaves almost identically to the original allocator >> as long as static percpu variables are concerned, so it shouldn't >> introduce much breakage. >> >> s390 and alpha use custom SHIFT_PERCPU_PTR() to work around addressing >> range limit the addressing model imposes. Unfortunately, this breaks >> if the address is specified using a variable, so for now, the two >> archs aren't converted. >> >> The following architectures are affected by this change. >> >> * sh >> * arm >> * cris >> * mips >> * sparc(32) >> * blackfin >> * avr32 >> * parisc (broken, under investigation) > > OK, I thought I'd investigate this. Unfortunately, your git tree > doesn't build when pulled into head ... could you update? > > mm/percpu.c: In function 'setup_per_cpu_areas': > mm/percpu.c:2007: error: too many arguments to function 'pcpu_embed_first_chunk' Hmm... strange. I don't see such failures. Can you please try the following git tree? git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git for-james The contains all posted percpu patches and pulls in the current linus#master (rc1). Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
