From f8d8406bcb58ff70e97b71c35ff5be90c54fc3d0 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 13 Feb 2008 14:09:53 +0100 Subject: [PATCH] x86: cpa, fix out of date comment Signed-off-by: Ingo Molnar --- arch/x86/mm/pageattr.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 5d2259468d3c..4119379f80ff 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -870,8 +870,12 @@ void kernel_map_pages(struct page *page, int numpages, int enable) return; /* - * The return value is ignored - the calls cannot fail, - * large pages are disabled at boot time: + * The return value is ignored as the calls cannot fail. + * Large pages are kept enabled at boot time, and are + * split up quickly with DEBUG_PAGEALLOC. If a splitup + * fails here (due to temporary memory shortage) no damage + * is done because we just keep the largepage intact up + * to the next attempt when it will likely be split up: */ if (enable) __set_pages_p(page, numpages);