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vm/vm_object.h: clarify the OBJ_ONEMAPPING semantic
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Reviewed by:	markj
Sponsored by:	The FreeBSD Foundation
MFC after:	3 days
Differential revision:	https://reviews.freebsd.org/D54459
This commit is contained in:
Konstantin Belousov 2026-01-01 00:26:38 +02:00
parent 2f83319214
commit 9c92357560
1 changed files with 3 additions and 2 deletions
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5
sys/vm/vm_object.h
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@ -197,8 +197,9 @@ struct vm_object {
#define OBJ_SPLIT 0x00000400 /* object is being split */
#define OBJ_COLLAPSING 0x00000800 /* Parent of collapse. */
#define OBJ_COLORED 0x00001000 /* pg_color is defined */
#define OBJ_ONEMAPPING 0x00002000 /* One USE (a single, non-forked)
mapping flag */
#define OBJ_ONEMAPPING 0x00002000 /* Each page is allowed to have at most
one managed mapping, all in the same
vm_map */
#define OBJ_PAGERPRIV1 0x00004000 /* Pager private */
#define OBJ_PAGERPRIV2 0x00008000 /* Pager private */
#define OBJ_SYSVSHM 0x00010000 /* SysV SHM */