diff options
| author |   visa <visa@openbsd.org> | 2016-12-17 11:17:56 +0000 |
|---|---|---|
| committer | visa <visa@openbsd.org> | 2016-12-17 11:17:56 +0000 |
| commit | 252f28ff84482c4cdfc004a2566a52b6a116449c (patch) | |
| tree | 894a83570cacc5e4e20007a67bc6166b7170648f | |
| parent | Add new device xp(4), preliminary support for LUNA's I/O processor. (diff) | |
| download | wireguard-openbsd-252f28ff84482c4cdfc004a2566a52b6a116449c.tar.xz wireguard-openbsd-252f28ff84482c4cdfc004a2566a52b6a116449c.zip | |
On some systems, the firmware advertises multiple tiny and disjoint
regions of free memory whose size is no more than a few page frames.
Ignore them in order not to clutter uvm with fragments.
| -rw-r--r-- | sys/arch/octeon/octeon/machdep.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/arch/octeon/octeon/machdep.c b/sys/arch/octeon/octeon/machdep.c index 9d97e275f5e..0ecde24d617 100644 --- a/sys/arch/octeon/octeon/machdep.c +++ b/sys/arch/octeon/octeon/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.79 2016/11/26 15:42:03 martijn Exp $ */ +/* $OpenBSD: machdep.c,v 1.80 2016/12/17 11:17:56 visa Exp $ */ /* * Copyright (c) 2009, 2010 Miodrag Vallat. @@ -197,6 +197,10 @@ octeon_memory_init(struct boot_info *boot_info) if (fp >= lp) continue; + /* Skip small fragments. */ + if (lp - fp < atop(1u << 20)) + continue; + mem_layout[i].mem_first_page = fp; mem_layout[i].mem_last_page = lp; i++; |