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| author | cognet <cognet@FreeBSD.org> | 2010-06-15 22:16:02 +0000 |
|---|---|---|
| committer | cognet <cognet@FreeBSD.org> | 2010-06-15 22:16:02 +0000 |
| commit | 4caf6504e1f29021a200d7c1412890487e20a96b (patch) | |
| tree | 594c4753fecc03ebcf37bc0232b075ea5bc6f2a8 | |
| parent | 889674afbf30cbc0a5f42a4c70ab6950101db88b (diff) | |
| download | FreeBSD-src-4caf6504e1f29021a200d7c1412890487e20a96b.zip FreeBSD-src-4caf6504e1f29021a200d7c1412890487e20a96b.tar.gz | |
Turn off cache if there's more than one kernel mapping, and one is writable.
Submitted by: Mark Tinguely
| -rw-r--r-- | sys/arm/arm/pmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/arm/arm/pmap.c b/sys/arm/arm/pmap.c index da56775..3bcbbe0 100644 --- a/sys/arm/arm/pmap.c +++ b/sys/arm/arm/pmap.c @@ -1368,7 +1368,7 @@ pmap_fix_cache(struct vm_page *pg, pmap_t pm, vm_offset_t va) * check for kernel uncachable conditions * kernel writable or kernel readable with writable user entry */ - if ((kwritable && entries) || + if ((kwritable && (entries || kentries > 1)) || (kwritable > 1) || ((kwritable != writable) && kentries && (pv->pv_pmap == pmap_kernel() || |
