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authorkib <kib@FreeBSD.org>2014-08-20 08:02:38 +0000
committerkib <kib@FreeBSD.org>2014-08-20 08:02:38 +0000
commite273edb6ddab14a888af34cde6cc897d3d2e0adc (patch)
tree6928c16bf61998fe6b84e3c36b876ce1fd2d3751 /sys/sys/sf_buf.h
parentbbcdd78a0ad0cb703a014b8d139d53bc72469b67 (diff)
downloadFreeBSD-src-e273edb6ddab14a888af34cde6cc897d3d2e0adc.zip
FreeBSD-src-e273edb6ddab14a888af34cde6cc897d3d2e0adc.tar.gz
Add arch-specific macro SFBUF_PHYS_DMAP(), which should translate the
physical address of the page to direct map address, in case SFBUF_OPTIONAL_DIRECT_MAP returns true. The case of PowerPC AIM 64bit, where the page physical address is identical to the direct map address, is accidental. Reviewed by: alc Sponsored by: The FreeBSD Foundation
Diffstat (limited to 'sys/sys/sf_buf.h')
-rw-r--r--sys/sys/sf_buf.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/sys/sf_buf.h b/sys/sys/sf_buf.h
index 7ab9443..d3bb037 100644
--- a/sys/sys/sf_buf.h
+++ b/sys/sys/sf_buf.h
@@ -113,7 +113,7 @@ sf_buf_kva(struct sf_buf *sf)
{
#ifdef SFBUF_OPTIONAL_DIRECT_MAP
if (SFBUF_OPTIONAL_DIRECT_MAP)
- return (VM_PAGE_TO_PHYS((vm_page_t)sf));
+ return (SFBUF_PHYS_DMAP(VM_PAGE_TO_PHYS((vm_page_t)sf)));
#endif
return (sf->kva);
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