From 9329ba9704f6bd51a735982e0d4a3eed72c3294f Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Fri, 10 Sep 2010 11:01:56 +0200 Subject: percpu: update comments to reflect that percpu allocations are always zero-filled Signed-off-by: Tejun Heo Reported-by: Stephane Eranian --- mm/percpu.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/mm/percpu.c b/mm/percpu.c index 0cd4bf61012c..12dea33572bd 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -826,8 +826,8 @@ fail_unlock_mutex: * @size: size of area to allocate in bytes * @align: alignment of area (max PAGE_SIZE) * - * Allocate percpu area of @size bytes aligned at @align. Might - * sleep. Might trigger writeouts. + * Allocate zero-filled percpu area of @size bytes aligned at @align. + * Might sleep. Might trigger writeouts. * * CONTEXT: * Does GFP_KERNEL allocation. @@ -846,9 +846,10 @@ EXPORT_SYMBOL_GPL(__alloc_percpu); * @size: size of area to allocate in bytes * @align: alignment of area (max PAGE_SIZE) * - * Allocate percpu area of @size bytes aligned at @align from reserved - * percpu area if arch has set it up; otherwise, allocation is served - * from the same dynamic area. Might sleep. Might trigger writeouts. + * Allocate zero-filled percpu area of @size bytes aligned at @align + * from reserved percpu area if arch has set it up; otherwise, + * allocation is served from the same dynamic area. Might sleep. + * Might trigger writeouts. * * CONTEXT: * Does GFP_KERNEL allocation. -- cgit v1.2.3