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Date: Sat, 26 Aug 2006 19:42:13 +0200 From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@...oo.it> To: Andrew Morton <akpm@...l.org> Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: [PATCH RFP-V4 02/13] Fix comment about remap_file_pages From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@...oo.it> 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 <blaisorblade@...oo.it> --- 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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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