d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

- Align a comment within struct vm_page.

Browse Source 
- Annotate the vm_page's valid field as synchronized by the containing
   vm object's lock.
This commit is contained in:
Alan Cox 2003-10-25 18:33:04 +00:00
parent 36bbf86ba6
commit 93dbd07122
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=121511
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sys/vm/vm_page.h
View File

@ -116,7 +116,7 @@ struct vm_page {
vm_object_t object; /* which object am I in (O,P)*/
vm_pindex_t pindex; /* offset into object (O,P) */
vm_paddr_t phys_addr; /* physical address of page */
vm_paddr_t phys_addr; /* physical address of page */
struct md_page md; /* machine dependant stuff */
u_short queue; /* page queue index */
u_short flags, /* see below */
@ -128,16 +128,16 @@ struct vm_page {
/* NOTE that these must support one bit per DEV_BSIZE in a page!!! */
/* so, on normal X86 kernels, they must be at least 8 bits wide */
#if PAGE_SIZE == 4096
u_char valid; /* map of valid DEV_BSIZE chunks */
u_char valid; /* map of valid DEV_BSIZE chunks (O) */
u_char dirty; /* map of dirty DEV_BSIZE chunks */
#elif PAGE_SIZE == 8192
u_short valid; /* map of valid DEV_BSIZE chunks */
u_short valid; /* map of valid DEV_BSIZE chunks (O) */
u_short dirty; /* map of dirty DEV_BSIZE chunks */
#elif PAGE_SIZE == 16384
u_int valid; /* map of valid DEV_BSIZE chunks */
u_int valid; /* map of valid DEV_BSIZE chunks (O) */
u_int dirty; /* map of dirty DEV_BSIZE chunks */
#elif PAGE_SIZE == 32768
u_long valid; /* map of valid DEV_BSIZE chunks */
u_long valid; /* map of valid DEV_BSIZE chunks (O) */
u_long dirty; /* map of dirty DEV_BSIZE chunks */
#endif
u_int cow; /* page cow mapping count */