From: Trond Myklebust Date: Wed, 11 Oct 2006 08:21:58 +0000 (-0700) Subject: [PATCH] VM: Fix the gfp_mask in invalidate_complete_page2 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=887ed2f3aecde2ff24e06666932dc5f144745044;p=openwrt%2Fstaging%2Fblogic.git [PATCH] VM: Fix the gfp_mask in invalidate_complete_page2 If try_to_release_page() is called with a zero gfp mask, then the filesystem is effectively denied the possibility of sleeping while attempting to release the page. There doesn't appear to be any valid reason why this should be banned, given that we're not calling this from a memory allocation context. For this reason, change the gfp_mask argument of the call to GFP_KERNEL. Signed-off-by: Trond Myklebust Cc: Steve Dickson Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/mm/truncate.c b/mm/truncate.c index fca28839c46e..11ca480701dd 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -302,7 +302,7 @@ invalidate_complete_page2(struct address_space *mapping, struct page *page) if (page->mapping != mapping) return 0; - if (PagePrivate(page) && !try_to_release_page(page, 0)) + if (PagePrivate(page) && !try_to_release_page(page, GFP_KERNEL)) return 0; write_lock_irq(&mapping->tree_lock);