| Date | Tue, 29 Jan 2013 20:11:01 +0800 | Subject | Re: [PATCH, RFC 06/16] thp, mm: rewrite add_to_page_cache_locked() to support huge pages | From | Hillf Danton <> |
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On Mon, Jan 28, 2013 at 5:24 PM, Kirill A. Shutemov <kirill.shutemov@linux.intel.com> wrote: > @@ -443,6 +443,7 @@ int add_to_page_cache_locked(struct page *page, struct address_space *mapping, > pgoff_t offset, gfp_t gfp_mask) > { > int error; > + int nr = 1; > > VM_BUG_ON(!PageLocked(page)); > VM_BUG_ON(PageSwapBacked(page)); > @@ -450,31 +451,61 @@ int add_to_page_cache_locked(struct page *page, struct address_space *mapping, > error = mem_cgroup_cache_charge(page, current->mm, > gfp_mask & GFP_RECLAIM_MASK); > if (error) > - goto out; > + return error;
Due to PageCompound check, thp could not be charged effectively. Any change added for charging it?
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