On Fri, Aug 14, 2015 at 06:47:53PM +1000, Stephen Rothwell wrote:
> Hi Andrew,
>
> After merging the akpm tree, today's linux-next build (sparc64 defconfig)
> failed like this:
>
> In file included from include/linux/sched.h:27:0,
> from arch/sparc/kernel/asm-offsets.c:13:
> include/linux/mm_types.h:371:22: error: 'HUGE_MAX_HSTATE' undeclared here (not in a function)
> atomic_long_t count[HUGE_MAX_HSTATE];
> ^
Thank you for the report,
I'm suggesting the following diff as a fix. And I'm fine for these patches
to be excluded until the fix is merged to mmotm.
Thanks,
Naoya Horiguchi
---
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 64aa4db01f48..99ea2c651106 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -330,10 +330,6 @@ int __init alloc_bootmem_huge_page(struct hstate *h);
void __init hugetlb_add_hstate(unsigned order);
struct hstate *size_to_hstate(unsigned long size);
-#ifndef HUGE_MAX_HSTATE
-#define HUGE_MAX_HSTATE 1
-#endif
-
extern struct hstate hstates[HUGE_MAX_HSTATE];
extern unsigned int default_hstate_idx;
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index e95c5fe1eb7d..27333cdb8b46 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -365,6 +365,10 @@ struct mm_rss_stat {
};
#ifdef CONFIG_HUGETLB_PAGE
+
+#ifndef HUGE_MAX_HSTATE
+#define HUGE_MAX_HSTATE 1
+#endif
struct hugetlb_usage {
atomic_long_t count[HUGE_MAX_HSTATE];
};
>
> Caused by commit
>
> 04f4eaa95082 ("mm: hugetlb: proc: add HugetlbPages field to /proc/PID/status")
>
> I have reverted that patch (and the following fix patch:
>
> f26cf7b29291 ("mm-hugetlb-proc-add-hugetlbpages-field-to-proc-pid-status-fix")--
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