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| author | todd stecher <todd.stecher@gmail.com> | 2009-02-17 16:16:35 -0800 |
|---|---|---|
| committer | Steven Danneman <steven.danneman@isilon.com> | 2009-02-18 18:08:32 -0800 |
| commit | c441f58dedc465f59060296815a0bc7f9aeb743f (patch) | |
| tree | f6443ed770146ba26e9c09370c1a9bddc22252fe /source3/smbd | |
| parent | cdcd525a05ce851dcb338dfa8c9be3009194aa96 (diff) | |
| download | samba-c441f58dedc465f59060296815a0bc7f9aeb743f.tar.gz samba-c441f58dedc465f59060296815a0bc7f9aeb743f.tar.bz2 samba-c441f58dedc465f59060296815a0bc7f9aeb743f.zip | |
S3: Allow SMBD processes to survive in low memory condidtions
This commit adds a configure argument which allows for setting MADV_PROTECT
in the madvise() API. With this enabled the kernel won't kill SMBD when
it's running low on memory.
Diffstat (limited to 'source3/smbd')
| -rw-r--r-- | source3/smbd/server.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/source3/smbd/server.c b/source3/smbd/server.c index 075e44d319..76dab96ad9 100644 --- a/source3/smbd/server.c +++ b/source3/smbd/server.c @@ -359,6 +359,10 @@ static void smbd_accept_connection(struct tevent_context *ev, /* Child code ... */ am_parent = 0; +#ifdef WITH_MADVISE_PROTECTED + madvise(NULL,0,MADV_PROTECT); +#endif + /* Stop zombies, the parent explicitly handles * them, counting worker smbds. */ CatchChild(); @@ -1127,6 +1131,9 @@ extern void build_options(bool screen); if (is_daemon && !interactive) { DEBUG( 3, ( "Becoming a daemon.\n" ) ); become_daemon(Fork, no_process_group); +#ifdef WITH_MADVISE_PROTECTED + madvise(NULL,0,MADV_PROTECT); +#endif } #if HAVE_SETPGID |