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explicitly use DEV_BSIZE align for all bmempools 

this is required for Xen xbd(4) in order to not have to use bounce buffers

the alignment is implicitly provided when POOL_REDZONE is not active,
this change makes it also aligned when POOL_REDZONE _is_ active - that is
when (!KMSAN && (DIAGNOSTIC || KASAN))
This commit is contained in:
jdolecek 2020-04-11 14:38:26 +00:00
parent 2971660000
commit 550ba56bfe
1 changed files with 3 additions and 3 deletions
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6
sys/kern/vfs_bio.c
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@ -1,4 +1,4 @@
/* $NetBSD: vfs_bio.c,v 1.291 2020/04/10 17:18:04 ad Exp $ */
/* $NetBSD: vfs_bio.c,v 1.292 2020/04/11 14:38:26 jdolecek Exp $ */
/*-
* Copyright (c) 2007, 2008, 2009, 2019, 2020 The NetBSD Foundation, Inc.
@ -123,7 +123,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vfs_bio.c,v 1.291 2020/04/10 17:18:04 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: vfs_bio.c,v 1.292 2020/04/11 14:38:26 jdolecek Exp $");
#ifdef _KERNEL_OPT
#include "opt_bufcache.h"
@ -513,7 +513,7 @@ bufinit(void)
pa = (size <= PAGE_SIZE && use_std)
? &pool_allocator_nointr
: &bufmempool_allocator;
pool_init(pp, size, 0, 0, 0, name, pa, IPL_NONE);
pool_init(pp, size, 0, DEV_BSIZE, 0, name, pa, IPL_NONE);
pool_setlowat(pp, 1);
pool_sethiwat(pp, 1);
}