diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/debug.c | 34 | ||||
| -rw-r--r-- | mm/internal.h | 6 |
2 files changed, 26 insertions, 14 deletions
diff --git a/mm/debug.c b/mm/debug.c index 410af904a7d5..0328fd377545 100644 --- a/mm/debug.c +++ b/mm/debug.c @@ -11,12 +11,21 @@ #include <linux/memcontrol.h> #include <trace/events/mmflags.h> -static const struct trace_print_flags pageflag_names[] = { - __def_pageflag_names +#include "internal.h" + +const struct trace_print_flags pageflag_names[] = { + __def_pageflag_names, + {0, NULL} +}; + +const struct trace_print_flags gfpflag_names[] = { + __def_gfpflag_names, + {0, NULL} }; -static const struct trace_print_flags gfpflag_names[] = { - __def_gfpflag_names +const struct trace_print_flags vmaflag_names[] = { + __def_vmaflag_names, + {0, NULL} }; static void dump_flags(unsigned long flags, @@ -58,14 +67,15 @@ void dump_page_badflags(struct page *page, const char *reason, if (PageCompound(page)) pr_cont(" compound_mapcount: %d", compound_mapcount(page)); pr_cont("\n"); - BUILD_BUG_ON(ARRAY_SIZE(pageflag_names) != __NR_PAGEFLAGS); - dump_flags(page->flags, pageflag_names, ARRAY_SIZE(pageflag_names)); + BUILD_BUG_ON(ARRAY_SIZE(pageflag_names) != __NR_PAGEFLAGS + 1); + dump_flags(page->flags, pageflag_names, + ARRAY_SIZE(pageflag_names) - 1); if (reason) pr_alert("page dumped because: %s\n", reason); if (page->flags & badflags) { pr_alert("bad because of flags:\n"); - dump_flags(page->flags & badflags, - pageflag_names, ARRAY_SIZE(pageflag_names)); + dump_flags(page->flags & badflags, pageflag_names, + ARRAY_SIZE(pageflag_names) - 1); } #ifdef CONFIG_MEMCG if (page->mem_cgroup) @@ -81,10 +91,6 @@ EXPORT_SYMBOL(dump_page); #ifdef CONFIG_DEBUG_VM -static const struct trace_print_flags vmaflag_names[] = { - __def_vmaflag_names -}; - void dump_vma(const struct vm_area_struct *vma) { pr_emerg("vma %p start %p end %p\n" @@ -96,7 +102,7 @@ void dump_vma(const struct vm_area_struct *vma) (unsigned long)pgprot_val(vma->vm_page_prot), vma->anon_vma, vma->vm_ops, vma->vm_pgoff, vma->vm_file, vma->vm_private_data); - dump_flags(vma->vm_flags, vmaflag_names, ARRAY_SIZE(vmaflag_names)); + dump_flags(vma->vm_flags, vmaflag_names, ARRAY_SIZE(vmaflag_names) - 1); } EXPORT_SYMBOL(dump_vma); @@ -168,7 +174,7 @@ void dump_mm(const struct mm_struct *mm) ); dump_flags(mm->def_flags, vmaflag_names, - ARRAY_SIZE(vmaflag_names)); + ARRAY_SIZE(vmaflag_names) - 1); } #endif /* CONFIG_DEBUG_VM */ diff --git a/mm/internal.h b/mm/internal.h index a38a21ebddb4..6636e1d3ecf0 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -14,6 +14,7 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/pagemap.h> +#include <linux/tracepoint-defs.h> /* * The set of flags that only affect watermark checking and reclaim @@ -466,4 +467,9 @@ static inline void try_to_unmap_flush_dirty(void) } #endif /* CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH */ + +extern const struct trace_print_flags pageflag_names[]; +extern const struct trace_print_flags vmaflag_names[]; +extern const struct trace_print_flags gfpflag_names[]; + #endif /* __MM_INTERNAL_H */ |