diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 921aca52726d48cf92c0b3fb7edb51da9093cb6e..726a3aa9d19d1325a355705bac06329518f92115 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -590,13 +590,20 @@ void hugetlb_fix_reserve_counts(struct inode *inode) { struct hugepage_subpool *spool = subpool_inode(inode); long rsv_adjust; + bool reserved = false; rsv_adjust = hugepage_subpool_get_pages(spool, 1); - if (rsv_adjust) { + if (rsv_adjust > 0) { struct hstate *h = hstate_inode(inode); - hugetlb_acct_memory(h, 1); + if (!hugetlb_acct_memory(h, 1)) + reserved = true; + } else if (!rsv_adjust) { + reserved = true; } + + if (!reserved) + pr_warn("hugetlb: Huge Page Reserved count may go negative.\n"); } /*