diff options
Diffstat (limited to 'mm/khugepaged.c')
| -rw-r--r-- | mm/khugepaged.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c index d5650541083a..88433cc25d8a 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -1848,10 +1848,6 @@ static int collapse_file(struct mm_struct *mm, unsigned long addr, goto xa_locked; } } - if (!shmem_charge(mapping->host, 1)) { - result = SCAN_FAIL; - goto xa_locked; - } nr_none++; continue; } @@ -2037,8 +2033,13 @@ xa_unlocked: */ try_to_unmap_flush(); - if (result != SCAN_SUCCEED) + if (result == SCAN_SUCCEED && nr_none && + !shmem_charge(mapping->host, nr_none)) + result = SCAN_FAIL; + if (result != SCAN_SUCCEED) { + nr_none = 0; goto rollback; + } /* * The old pages are locked, so they won't change anymore. @@ -2177,8 +2178,8 @@ rollback: if (nr_none) { xas_lock_irq(&xas); mapping->nrpages -= nr_none; - shmem_uncharge(mapping->host, nr_none); xas_unlock_irq(&xas); + shmem_uncharge(mapping->host, nr_none); } list_for_each_entry_safe(page, tmp, &pagelist, lru) { |