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KASSERT that we cannot use M_WAITOK in interrupt context.

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Reviewed by:	 bde
This commit is contained in:
Poul-Henning Kamp 1999-09-19 08:40:11 +00:00
parent 7248ef86e0
commit 984982d6ae
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=51401
1 changed files with 9 additions and 0 deletions
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9
sys/kern/kern_malloc.c
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@ -51,6 +51,10 @@
#include <vm/pmap.h>
#include <vm/vm_map.h>
#if defined(INVARIANTS) && defined(__i386__)
#include <machine/cpu.h>
#endif
MALLOC_DEFINE(M_CACHE, "namecache", "Dynamically allocated cache entries");
MALLOC_DEFINE(M_DEVBUF, "devbuf", "device driver memory");
MALLOC_DEFINE(M_TEMP, "temp", "misc temporary data buffers");
@ -134,6 +138,11 @@ malloc(size, type, flags)
#endif
register struct malloc_type *ksp = type;
#if defined(INVARIANTS) && defined(__i386__)
if (flags == M_WAITOK)
KASSERT(intr_nesting_level == 0,
("malloc(M_WAITOK) in interrupt context"));
#endif
/*
* Must be at splmem() prior to initializing segment to handle
* potential initialization race.