Let stack_create(9) take a malloc flags argument.
Reviewed by: cem Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D12614
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=324377
@ -27,7 +27,7 @@
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.\"
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.\" $FreeBSD$
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.\"
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.Dd September 10, 2015
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.Dd October 6, 2017
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.Dt STACK 9
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.Os
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.Sh NAME
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@ -42,7 +42,7 @@ In the kernel configuration file:
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.Cd "options STACK"
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.Pp
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.Ft struct stack *
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.Fn stack_create "void"
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.Fn stack_create "int flags"
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.Ft void
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.Fn stack_destroy "struct stack *st"
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.Ft int
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@ -85,8 +85,11 @@ Each stack trace is described by a
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.Vt "struct stack" .
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Before a trace may be created or otherwise manipulated, storage for the trace
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must be allocated with
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.Fn stack_create ,
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which may sleep.
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.Fn stack_create .
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The
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.Ar flags
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argument is passed to
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.Xr malloc 9 .
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Memory associated with a trace is freed by calling
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.Fn stack_destroy .
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.Pp
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@ -2547,7 +2547,7 @@ sysctl_kern_proc_kstack(SYSCTL_HANDLER_ARGS)
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return (error);
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kkstp = malloc(sizeof(*kkstp), M_TEMP, M_WAITOK);
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st = stack_create();
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st = stack_create(M_WAITOK);
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lwpidarray = NULL;
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PROC_LOCK(p);
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@ -1163,7 +1163,7 @@ sleepq_sbuf_print_stacks(struct sbuf *sb, void *wchan, int queue,
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M_TEMP, M_WAITOK);
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for (stack_idx = 0; stack_idx < stacks_to_allocate;
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stack_idx++)
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st[stack_idx] = stack_create();
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st[stack_idx] = stack_create(M_WAITOK);
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/* Where we will store the td name, tid, etc. */
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td_infos = malloc(sizeof(struct sbuf *) * stacks_to_allocate,
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@ -50,11 +50,11 @@ static int stack_symbol(vm_offset_t pc, char *namebuf, u_int buflen,
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static int stack_symbol_ddb(vm_offset_t pc, const char **name, long *offset);
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struct stack *
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stack_create(void)
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stack_create(int flags)
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{
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struct stack *st;
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st = malloc(sizeof *st, M_STACK, M_WAITOK | M_ZERO);
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st = malloc(sizeof(*st), M_STACK, flags | M_ZERO);
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return (st);
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}
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@ -34,7 +34,7 @@
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struct sbuf;
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/* MI Routines. */
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struct stack *stack_create(void);
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struct stack *stack_create(int);
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void stack_destroy(struct stack *);
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int stack_put(struct stack *, vm_offset_t);
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void stack_copy(const struct stack *, struct stack *);
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