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Guess pool_cache_get(pc, 0) means PR_WAITOK here. 

Earlier on in the same context we use kmem_alloc(sz, KM_SLEEP).
This commit is contained in:
riastradh 2017-11-09 22:16:34 +00:00
parent b368d720c2
commit 5f5353cf83
1 changed files with 3 additions and 3 deletions
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6
sys/dev/dtv/dtv_scatter.c
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@ -1,4 +1,4 @@
/* $NetBSD: dtv_scatter.c,v 1.3 2017/06/01 02:45:10 chs Exp $ */
/* $NetBSD: dtv_scatter.c,v 1.4 2017/11/09 22:16:34 riastradh Exp $ */
/*
* Copyright (c) 2008 Patrick Mahoney <pat@polycrystal.org>
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: dtv_scatter.c,v 1.3 2017/06/01 02:45:10 chs Exp $");
__KERNEL_RCSID(0, "$NetBSD: dtv_scatter.c,v 1.4 2017/11/09 22:16:34 riastradh Exp $");
#include <sys/param.h>
#include <sys/ioctl.h>
@ -101,7 +101,7 @@ dtv_scatter_buf_set_size(struct dtv_scatter_buf *sb, size_t sz)
sb->sb_page_ary[i] = old_ary[i];
/* allocate any new pages */
for (; i < npages; ++i) {
sb->sb_page_ary[i] = pool_cache_get(sb->sb_pool, 0);
sb->sb_page_ary[i] = pool_cache_get(sb->sb_pool, PR_WAITOK);
/* TODO: does pool_cache_get return NULL on
* ENOMEM? If so, we need to release or note
* the pages with did allocate