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kerneldump: fix incorrect SETSIZE to BIT_COPY_STORE_REL when livedump

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Also replace malloc/free with BITSET_ALLOC/BITSET_FREE macros.

Sponsored by:	Juniper Networks, Inc.
MFC after:	1 week
Reviewed by:	markj
Differential Revision:	https://reviews.freebsd.org/D47708
This commit is contained in:
Ka Ho Ng 2024-11-23 16:35:07 +00:00
parent 7749de2440
commit 9ad8116b54
1 changed files with 5 additions and 5 deletions
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10
sys/kern/kern_dump.c
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@ -465,7 +465,6 @@ minidumpsys(struct dumperinfo *di, bool livedump)
struct minidumpstate state;
struct msgbuf mb_copy;
char *msg_ptr;
size_t sz;
int error;
if (livedump) {
@ -510,9 +509,10 @@ minidumpsys(struct dumperinfo *di, bool livedump)
msgbuf_duplicate(msgbufp, &mb_copy, msg_ptr);
state.msgbufp = &mb_copy;
sz = BITSET_SIZE(vm_page_dump_pages);
state.dump_bitset = malloc(sz, M_TEMP, M_WAITOK);
BIT_COPY_STORE_REL(sz, vm_page_dump, state.dump_bitset);
state.dump_bitset = BITSET_ALLOC(vm_page_dump_pages, M_TEMP,
M_WAITOK);
BIT_COPY_STORE_REL(vm_page_dump_pages, vm_page_dump,
state.dump_bitset);
} else {
KASSERT(dumping, ("minidump invoked outside of doadump()"));
@ -524,7 +524,7 @@ minidumpsys(struct dumperinfo *di, bool livedump)
error = cpu_minidumpsys(di, &state);
if (livedump) {
free(msg_ptr, M_TEMP);
free(state.dump_bitset, M_TEMP);
BITSET_FREE(state.dump_bitset, M_TEMP);
}
return (error);