diff options
| -rw-r--r-- | mm/hugetlb.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index b1525ae1bf1f..8ea8e3d2f814 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -742,13 +742,20 @@ 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"); } /* |