From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo 'Blaisorblade' Giarrusso Subject: [PATCH RFP-V4 02/13] Fix comment about remap_file_pages Date: Sat, 26 Aug 2006 19:42:13 +0200 Message-Id: <20060826174213.14790.50608.stgit@memento.home.lan> In-Reply-To: <200608261933.36574.blaisorblade@yahoo.it> References: <200608261933.36574.blaisorblade@yahoo.it> Content-Type: text/plain; charset=utf-8; format=fixed Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org From: Paolo 'Blaisorblade' Giarrusso Return-Path: To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: This comment is a bit unclear and also stale. So fix it. Thanks to Hugh Dickins for explaining me what it really referred to, and correcting my first fix. Signed-off-by: Paolo 'Blaisorblade' Giarrusso --- mm/fremap.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) diff --git a/mm/fremap.c b/mm/fremap.c index 21b7d0c..cdeabad 100644 --- a/mm/fremap.c +++ b/mm/fremap.c @@ -215,9 +215,10 @@ #endif pgoff, flags & MAP_NONBLOCK); /* - * We can't clear VM_NONLINEAR because we'd have to do - * it after ->populate completes, and that would prevent - * downgrading the lock. (Locks can't be upgraded). + * We would like to clear VM_NONLINEAR, in the case when + * sys_remap_file_pages covers the whole vma, so making + * it linear again. But cannot do so until after a + * successful populate, and have no way to upgrade sem. */ } if (likely(!has_write_lock)) Chiacchiera con i tuoi amici in tempo reale! http://it.yahoo.com/mail_it/foot/*http://it.messenger.yahoo.com -- 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: email@kvack.org