On 04/16/2013 10:02 AM, Michael Kerrisk (man-pages) wrote: > Hi Pavel... Ping! Sorry, Michael... This patch is in my man git tree for several weeks already, I will re-send one soon. > Cheers, > > Michael > > On Thu, Feb 28, 2013 at 3:20 PM, Michael Kerrisk (man-pages) > <mtk.manpages@xxxxxxxxx> wrote: >> Hi Pavel, >> >> On Mon, Feb 18, 2013 at 5:50 PM, Pavel Emelyanov <xemul@xxxxxxxxxxxxx> wrote: >>> It was added into Linux v3.3 and provides info about files being mmap-ed in >>> a way _very_ similar to how /proc/[pid]/fd works. Thus I thought that the >>> best place for the map_files' doc is where where the fd's doc is. >>> >>> Signed-off-by: Pavel Emelyanov <xemul@xxxxxxxxxxxxx> >> >> Could you please resubmit with some added text that shows an example >> of what you see in this file (including a /dev/zero case)? Also, the >> patch should mention that CONFIG_CHECKPOINT_RESTORE is required. >> >> Thanks, >> >> Michael >> >>> --- >>> >>> diff --git a/man5/proc.5 b/man5/proc.5 >>> index 30ca3a9..1226747 100644 >>> --- a/man5/proc.5 >>> +++ b/man5/proc.5 >>> @@ -285,6 +285,23 @@ Thus the example command above could be written as: >>> .RB "$" " foobar \-i /dev/stdin \-o /dev/stdout ..." >>> .fi >>> .in >>> +.TP >>> +.IR /proc/[pid]/map_files/ " (since kernel 3.3) >>> +This subdirectory contains entries corresponding to memory mapped >>> +files (see >>> +.BR mmap (2)). >>> +Entries are named by memory region start and end pair, >>> +and are symbolic links to the corresponding files. >>> + >>> +Although these entries are present for memory regions that were >>> +mapped with >>> +.BR MAP_FILE >>> +flag, the way anonymous shared memory (regions created with >>> +.B MAP_ANON | MAP_SHARED >>> +flags) >>> +is implemented in Linux >>> +makes such regions also appear on this directory. In that case >>> +the target file would be the /dev/zero one. >>> .\" FIXME Describe /proc/[pid]/loginuid >>> .\" Added in 2.6.11; updating requires CAP_AUDIT_CONTROL >>> .\" CONFIG_AUDITSYSCALL >> >> >> >> -- >> Michael Kerrisk >> Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ >> Author of "The Linux Programming Interface"; http://man7.org/tlpi/ > > > > -- > Michael Kerrisk > Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ > Author of "The Linux Programming Interface"; http://man7.org/tlpi/ > . > -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
