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Date: Sat, 14 Jul 2012 13:36:41 -0700 From: Yinghai Lu <yinghai@...nel.org> To: Pekka Enberg <penberg@...nel.org> Cc: mingo@...nel.org, linux-kernel@...r.kernel.org, x86@...nel.org, Tejun Heo <tj@...nel.org> Subject: Re: [PATCH 2/3] x86/mm: Simplify for-loop in free_init_pages() On Sat, Jul 14, 2012 at 6:41 AM, Pekka Enberg <penberg@...nel.org> wrote: > As a cleanup, move initial "addr" assignment to the for-loop construct > in free_init_pages(). > > Cc: Tejun Heo <tj@...nel.org> > Cc: Yinghai Lu <yinghai@...nel.org> > Signed-off-by: Pekka Enberg <penberg@...nel.org> Acked-by: Yinghai Lu <yinghai@...nel.org> > --- > arch/x86/mm/init.c | 4 +--- > 1 files changed, 1 insertions(+), 3 deletions(-) > > diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c > index 9eb53c2..e270f94 100644 > --- a/arch/x86/mm/init.c > +++ b/arch/x86/mm/init.c > @@ -349,8 +349,6 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end) > if (begin >= end) > return; > > - addr = begin; > - > /* > * If debugging page accesses then do not free this memory but > * mark them not present - any buggy init-section access will > @@ -371,7 +369,7 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end) > > printk(KERN_INFO "Freeing %s: %luk freed\n", what, (end - begin) >> 10); > > - for (; addr < end; addr += PAGE_SIZE) { > + for (addr = begin; addr < end; addr += PAGE_SIZE) { > ClearPageReserved(virt_to_page(addr)); > init_page_count(virt_to_page(addr)); > memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE); > -- > 1.7.7.6 > -- 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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