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Shrink struct sysent from 48 to 32 bytes (on LP64; on ILP32 its probably

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from 32 to 28) by shrinking some entries and reordering them.

Reviewed by:	kib
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D26508
This commit is contained in:
Edward Tomasz Napierala 2020-09-27 18:14:01 +00:00
parent ad86fd010c
commit 4abea760e7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=366201
1 changed files with 3 additions and 3 deletions
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6
sys/sys/sysent.h
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@ -65,14 +65,14 @@ extern bool systrace_enabled;
#endif /* _KERNEL */
struct sysent { /* system call table */
int sy_narg; /* number of arguments */
sy_call_t *sy_call; /* implementing function */
au_event_t sy_auevent; /* audit event associated with syscall */
systrace_args_func_t sy_systrace_args_func;
/* optional argument conversion function. */
u_int8_t sy_narg; /* number of arguments */
u_int8_t sy_flags; /* General flags for system calls. */
au_event_t sy_auevent; /* audit event associated with syscall */
u_int32_t sy_entry; /* DTrace entry ID for systrace. */
u_int32_t sy_return; /* DTrace return ID for systrace. */
u_int32_t sy_flags; /* General flags for system calls. */
u_int32_t sy_thrcnt;
};