> @@ -3444,10 +3445,14 @@ int hugetlb_reserve_pages(struct inode *inode,
> * Check enough hugepages are available for the reservation.
> * Hand the pages back to the subpool if there are not
> */
Better if comment is updated correspondingly.
Hillf
> - ret = hugetlb_acct_memory(h, chg);
> - if (ret < 0) {
> - hugepage_subpool_put_pages(spool, chg);
> - goto out_err;
> + if (subpool_reserved(spool))
> + ret = 0;
> + else {
> + ret = hugetlb_acct_memory(h, chg);
> + if (ret < 0) {
> + hugepage_subpool_put_pages(spool, chg);
> + goto out_err;
> + }
> }
>
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