Re: [PATCH 3/3] mm: print information when THP is disabled automatically

[Cong Wang]

ä 2011å06æ21æ 01:01, Mel Gorman åé:
> On Tue, Jun 21, 2011 at 12:34:30AM +0800, Amerigo Wang wrote:
> > Print information when THP is disabled automatically so that
> > users can find this info in dmesg.
> >
> > Signed-off-by: WANG Cong<amwang@xxxxxxxxxx>
> > ---
> >   mm/huge_memory.c |    5 ++++-
> >   1 files changed, 4 insertions(+), 1 deletions(-)
> >
> > diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> > index 7fb44cc..07679da 100644
> > --- a/mm/huge_memory.c
> > +++ b/mm/huge_memory.c
> > @@ -544,8 +544,11 @@ static int __init hugepage_init(void)
> >   	 * where the extra memory used could hurt more than TLB overhead
> >   	 * is likely to save.  The admin can still enable it through /sys.
> >   	 */
> > -	if (totalram_pages<  (CONFIG_TRANSPARENT_HUGEPAGE_THRESHOLD<<  (20 - PAGE_SHIFT)))
> > +	if (totalram_pages<  (CONFIG_TRANSPARENT_HUGEPAGE_THRESHOLD
> > +					<<  (20 - PAGE_SHIFT))) {
> > +		printk(KERN_INFO "hugepage: disabled auotmatically\n");
> >   		transparent_hugepage_flags = 0;
> > +	}
> >
> >   	start_khugepaged();
>
> Guess this doesn't hurt. You misspelled automatically though and
> mentioning "hugepage" could be confused with hugetlbfs.

Yeah, sorry for the typo.

But, there are many printk messages in the same file start with "hugepage:".
:-) I can send a patch to replace all of them with "THP" if you want...

Thanks!
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