[Crash-utility] [PATCH 1/2] memory.c: fix missing printf flags in INFO message in page_flags_init_from_pageflag_names()

Andrey Skvortsov andrej.skvortzov at gmail.com
Thu May 19 16:28:25 UTC 2016


On 19 May, Dave Anderson wrote:
> 
> Hi Andrey,
> 
> Thanks for this patch.  Can you tell me what "kmem -g" shows?

For kernel 4.6.0

crash> kmem -g
PAGE-FLAG       BIT  VALUE
PG_locked         0  000001
PG_error          1  000002
PG_referenced     2  000004
PG_uptodate       3  000008
PG_dirty          4  000010
PG_lru            5  000020
PG_active         6  000040
PG_slab           7  000080
PG_owner_priv_1   8  000100
PG_arch_1         9  000200
PG_reserved      10  000400
PG_private       11  000800
PG_private_2     12  001000
PG_writeback     13  002000
PG_head          14  004000
PG_swapcache     15  008000
PG_mappedtodisk  16  010000
PG_reclaim       17  020000
PG_swapbacked    18  040000
PG_unevictable   19  080000
PG_mlocked       20  100000
PG_uncached      21  200000
PG_hwpoison      22  400000
PG_checked        8  000100
PG_fscache       12  001000
PG_pinned         8  000100
PG_savepinned     4  000010
PG_foreign        8  000100
PG_slob_free     11  000800
PG_double_map    12  001000



> 
> Dave
> 
> 
> ----- Original Message -----
> > Signed-off-by: Andrey Skvortsov <andrej.skvortzov at gmail.com>
> > ---
> >  memory.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/memory.c b/memory.c
> > index 275fc34..d6271bc 100644
> > --- a/memory.c
> > +++ b/memory.c
> > @@ -6353,7 +6353,7 @@ page_flags_init_from_pageflag_names(void)
> >  		}
> >  
> >  		if (!read_string((ulong)name, namebuf, BUFSIZE-1)) {
> > -			error(INFO, "failed to read pageflag_names entry\n",
> > +			error(INFO, "failed to read pageflag_names entry (i: %d, name: \"%s\",
> > mask:%d)\n",
> >  				i, name, mask);
> >  			goto pageflags_fail;
> >  		}
> > --
> > 2.8.1
> > 
> > 

-- 
Best regards,
Andrey Skvortsov
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