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Date: Wed, 24 Sep 2014 10:32:47 -0400 From: Tejun Heo <tj@...nel.org> To: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp> Cc: lizefan@...wei.com, peterz@...radead.org, mingo@...nel.org, keescook@...omium.org, miaox@...fujitsu.com, linux-kernel@...r.kernel.org, cgroups@...r.kernel.org, rientjes@...gle.com Subject: Re: [PATCH v3 1/3] sched: fix confusing PFA_NO_NEW_PRIVS constant On Wed, Sep 24, 2014 at 11:09:25PM +0900, Tetsuo Handa wrote: > Tejun Heo wrote: > > > Applied 1-3 to cgroup/for-3.17-fixes w/ the typo spotted by davidr > > > fixed. > > s/happend/happened/ > > > > > Reverted due to build failure. Will wait for a refreshed version. :( > > I can build with 1-3 patches using HEAD of linux.git. What failure did you see? > > $ make kernel/seccomp.o kernel/sys.o security/apparmor/domain.o kernel/cpuset.o Got the following failure report from the build bot. tree: git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-3.17-fixes head: ed91a06989e253cde811d492414adcf94f34eb03 commit: ed91a06989e253cde811d492414adcf94f34eb03 [8/8] cpuset: PF_SPREAD_PAGE and PF_SPREAD_SLAB +should be atomic flags config: x86_64-randconfig-hxb2-0924 (attached as .config) reproduce: git checkout ed91a06989e253cde811d492414adcf94f34eb03 # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings: In file included from include/linux/linkage.h:4:0, from include/linux/preempt.h:9, from include/linux/spinlock.h:50, from include/linux/mmzone.h:7, from include/linux/gfp.h:5, from include/linux/slab.h:14, from mm/slab.c:89: mm/slab.c: In function '__do_cache_alloc': >> mm/slab.c:3229:54: error: 'PF_SPREAD_SLAB' undeclared (first use in this function) if (current->mempolicy || unlikely(current->flags & PF_SPREAD_SLAB)) { ^ include/linux/compiler.h:131:45: note: in definition of macro 'unlikely' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ mm/slab.c:3229:54: note: each undeclared identifier is reported only once for each function it ap +pears in if (current->mempolicy || unlikely(current->flags & PF_SPREAD_SLAB)) { ^ include/linux/compiler.h:131:45: note: in definition of macro 'unlikely' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ vim +/PF_SPREAD_SLAB +3229 mm/slab.c 8c8cc2c1 Pekka Enberg 2007-02-10 3223 8c8cc2c1 Pekka Enberg 2007-02-10 3224 static __always_inline void * 8c8cc2c1 Pekka Enberg 2007-02-10 3225 __do_cache_alloc(struct kmem_cache *cache, gfp_t flags) 8c8cc2c1 Pekka Enberg 2007-02-10 3226 { 8c8cc2c1 Pekka Enberg 2007-02-10 3227 void *objp; 8c8cc2c1 Pekka Enberg 2007-02-10 3228 f0432d15 David Rientjes 2014-04-07 @3229 if (current->mempolicy || unlikely(current->flags & +PF_SPREAD_SLAB)) { 8c8cc2c1 Pekka Enberg 2007-02-10 3230 objp = alternate_node_alloc(cache, flags); 8c8cc2c1 Pekka Enberg 2007-02-10 3231 if (objp) 8c8cc2c1 Pekka Enberg 2007-02-10 3232 goto out; -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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