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
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