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author | 2020-09-16 13:40:43 -0700 | |
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committer | 2020-10-02 13:16:33 +0200 | |
commit | 7981593bf083801035b1f1377661849805acb216 (patch) | |
tree | 2bbda781606b0bdc05ca2f183a84919d9d5659d3 /include/linux/hugetlb.h | |
parent | drivers core: Miscellaneous changes for sysfs_emit (diff) | |
download | linux-7981593bf083801035b1f1377661849805acb216.tar.gz linux-7981593bf083801035b1f1377661849805acb216.tar.bz2 linux-7981593bf083801035b1f1377661849805acb216.zip |
mm: and drivers core: Convert hugetlb_report_node_meminfo to sysfs_emit
Convert the unbound sprintf in hugetlb_report_node_meminfo to use
sysfs_emit_at so that no possible overrun of a PAGE_SIZE buf can occur.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Mike Kravetz <mike.kravetz@oracle.com>
Link: https://lore.kernel.org/r/894b351b82da6013cde7f36ff4b5493cd0ec30d0.1600285923.git.joe@perches.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/hugetlb.h')
-rw-r--r-- | include/linux/hugetlb.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index d5cc5f802dd4..ebca2ef02212 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -129,7 +129,7 @@ void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma, unsigned long start, unsigned long end, struct page *ref_page); void hugetlb_report_meminfo(struct seq_file *); -int hugetlb_report_node_meminfo(int, char *); +int hugetlb_report_node_meminfo(char *buf, int len, int nid); void hugetlb_show_meminfo(void); unsigned long hugetlb_total_pages(void); vm_fault_t hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, @@ -245,7 +245,7 @@ static inline void hugetlb_report_meminfo(struct seq_file *m) { } -static inline int hugetlb_report_node_meminfo(int nid, char *buf) +static inline int hugetlb_report_node_meminfo(char *buf, int len, int nid) { return 0; } |