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| author | Ingo Molnar <mingo@elte.hu> | 2008-02-13 14:09:53 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-02-14 23:30:21 +0100 |
| commit | f8d8406bcb58ff70e97b71c35ff5be90c54fc3d0 (patch) | |
| tree | 713a071b870cf773fb0864a9b4523c74258fa10a /arch/x86/mm/pageattr.c | |
| parent | 7d8330a563b00040326084f933f5bee06675ac54 (diff) | |
| download | talos-op-linux-f8d8406bcb58ff70e97b71c35ff5be90c54fc3d0.tar.gz talos-op-linux-f8d8406bcb58ff70e97b71c35ff5be90c54fc3d0.zip | |
x86: cpa, fix out of date comment
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/pageattr.c')
| -rw-r--r-- | arch/x86/mm/pageattr.c | 8 |
1 files 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); |
