Messages in this thread | | | Subject | Re: [-mm PATCH 4/8] Memory controller memory accounting (v2) | Date | Tue, 10 Jul 2007 16:26:51 +0900 (JST) | From | (YAMAMOTO Takashi) |
| |
hi,
> diff -puN mm/memory.c~mem-control-accounting mm/memory.c > --- linux-2.6.22-rc6/mm/memory.c~mem-control-accounting 2007-07-05 13:45:18.000000000 -0700 > +++ linux-2.6.22-rc6-balbir/mm/memory.c 2007-07-05 13:45:18.000000000 -0700
> @@ -1731,6 +1736,9 @@ gotten: > cow_user_page(new_page, old_page, address, vma); > } > > + if (mem_container_charge(new_page, mm)) > + goto oom; > + > /* > * Re-check the pte - we dropped the lock > */
it seems that the page will be leaked on error.
> @@ -2188,6 +2196,11 @@ static int do_swap_page(struct mm_struct > } > > delayacct_clear_flag(DELAYACCT_PF_SWAPIN); > + if (mem_container_charge(page, mm)) { > + ret = VM_FAULT_OOM; > + goto out; > + } > + > mark_page_accessed(page); > lock_page(page); >
ditto.
> @@ -2264,6 +2278,9 @@ static int do_anonymous_page(struct mm_s > if (!page) > goto oom; > > + if (mem_container_charge(page, mm)) > + goto oom; > + > entry = mk_pte(page, vma->vm_page_prot); > entry = maybe_mkwrite(pte_mkdirty(entry), vma); >
ditto.
can you check the rest of the patch by yourself? thanks.
YAMAMOTO Takashi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |