[PATCH] makdumpfile: clean up the in-accurate message printing about mmap

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On 03/17/16 at 06:46am, Atsushi Kumagai wrote:
> Hello Baoquan,
> 
> >mmap() is not used either caused by failure of mmap() in initialize_mmap(),
> >or because user explictly specify '--non-mmap'. So the message need be changed
> >according these different cases.
> >
> >Signed-off-by: Baoquan He <bhe at redhat.com>
> 
> Sounds reasonable, thanks.
> 
> Acked-by: Atsushi Kumagai <ats-kumagai at wm.jp.nec.com>

Thanks!

> 
> >---
> > makedumpfile.c | 19 +++++++++++--------
> > 1 file changed, 11 insertions(+), 8 deletions(-)
> >
> >diff --git a/makedumpfile.c b/makedumpfile.c
> >index fa0b779..5703369 100644
> >--- a/makedumpfile.c
> >+++ b/makedumpfile.c
> >@@ -3949,14 +3949,17 @@ out:
> > 	if (info->dump_level & DL_EXCLUDE_FREE)
> > 		setup_page_is_buddy();
> >
> >-	if (info->flag_usemmap == MMAP_TRY && initialize_mmap()) {
> >-		DEBUG_MSG("mmap() is available on the kernel.\n");
> >-		info->flag_usemmap = MMAP_ENABLE;
> >-	} else {
> >-		DEBUG_MSG("The kernel doesn't support mmap(),");
> >-		DEBUG_MSG("read() will be used instead.\n");
> >-		info->flag_usemmap = MMAP_DISABLE;
> >-        }
> >+	if (info->flag_usemmap == MMAP_TRY ) {
> >+		if (initialize_mmap()) {
> >+			DEBUG_MSG("mmap() is available on the kernel.\n");
> >+			info->flag_usemmap = MMAP_ENABLE;
> >+		} else {
> >+			DEBUG_MSG("The kernel doesn't support mmap(),");
> >+			DEBUG_MSG("read() will be used instead.\n");
> >+			info->flag_usemmap = MMAP_DISABLE;
> >+		}
> >+        } else if (info->flag_usemmap == MMAP_DISABLE)
> >+		DEBUG_MSG("mmap() is disabled by specified option '--non-mmap'.\n");
> >
> > 	return TRUE;
> > }
> >--
> >2.5.0
> 



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