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| author | jake <jake@FreeBSD.org> | 2003-04-08 18:22:41 +0000 |
|---|---|---|
| committer | jake <jake@FreeBSD.org> | 2003-04-08 18:22:41 +0000 |
| commit | dcb4f8c15b0407c576528a188c85bf141c6a5b15 (patch) | |
| tree | 2fcf7295fd7e3e4b8a802e69e342acfa4447cc9d /sys/amd64 | |
| parent | 1d2413048ffba3520c8210a33c27b90e73bbc22a (diff) | |
| download | FreeBSD-src-dcb4f8c15b0407c576528a188c85bf141c6a5b15.zip FreeBSD-src-dcb4f8c15b0407c576528a188c85bf141c6a5b15.tar.gz | |
Remove invalid cast to vm_offset_t to avoid truncating a physical address
when doing pmap_kextract on a 2MB page.
Spotted by: peter
Sponsored by: DARPA, Network Associates Laboratories
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/include/pmap.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/amd64/include/pmap.h b/sys/amd64/include/pmap.h index d1e2975..0dd992e 100644 --- a/sys/amd64/include/pmap.h +++ b/sys/amd64/include/pmap.h @@ -195,7 +195,7 @@ pmap_kextract(vm_offset_t va) { vm_paddr_t pa; - if ((pa = (vm_offset_t) PTD[va >> PDRSHIFT]) & PG_PS) { + if ((pa = PTD[va >> PDRSHIFT]) & PG_PS) { pa = (pa & ~(NBPDR - 1)) | (va & (NBPDR - 1)); } else { pa = *vtopte(va); |
