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Code Issues Releases Activity

Note that access to the page's busy count is synchronized by the containing

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object's lock.
This commit is contained in:
Alan Cox 2004-12-27 05:27:59 +00:00
parent aa6f98d12f
commit 91f7a86064
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=139338
1 changed files with 1 additions and 1 deletions
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sys/vm/vm_page.h
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@ -121,7 +121,7 @@ struct vm_page {
u_int cow; /* page cow mapping count */
short hold_count; /* page hold count */
u_char act_count; /* page usage count */
u_char busy; /* page busy count */
u_char busy; /* page busy count (O) */
/* 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