Re: [PATCH, RFC 06/16] thp, mm: rewrite add_to_page_cache_locked() to support huge pages
From: Hillf Danton <hidden>
Date: 2013-01-29 12:11:01
Also in:
linux-fsdevel, lkml
On Mon, Jan 28, 2013 at 5:24 PM, Kirill A. Shutemov [off-list ref] wrote:
quoted hunk ↗ jump to hunk
@@ -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? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>