diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/file-posix.c | 9 | ||||
| -rw-r--r-- | block/io.c | 2 | ||||
| -rw-r--r-- | block/parallels.c | 2 | ||||
| -rw-r--r-- | block/qcow2-cache.c | 2 |
4 files changed, 8 insertions, 7 deletions
diff --git a/block/file-posix.c b/block/file-posix.c index 695fcf740d..5d1995a07c 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -327,7 +327,7 @@ static void raw_probe_alignment(BlockDriverState *bs, int fd, Error **errp) { BDRVRawState *s = bs->opaque; char *buf; - size_t max_align = MAX(MAX_BLOCKSIZE, getpagesize()); + size_t max_align = MAX(MAX_BLOCKSIZE, qemu_real_host_page_size); size_t alignments[] = {1, 512, 1024, 2048, 4096}; /* For SCSI generic devices the alignment is not really used. @@ -1136,13 +1136,14 @@ static void raw_refresh_limits(BlockDriverState *bs, Error **errp) ret = sg_get_max_segments(s->fd); if (ret > 0) { - bs->bl.max_transfer = MIN(bs->bl.max_transfer, ret * getpagesize()); + bs->bl.max_transfer = MIN(bs->bl.max_transfer, + ret * qemu_real_host_page_size); } } raw_probe_alignment(bs, s->fd, errp); bs->bl.min_mem_alignment = s->buf_align; - bs->bl.opt_mem_alignment = MAX(s->buf_align, getpagesize()); + bs->bl.opt_mem_alignment = MAX(s->buf_align, qemu_real_host_page_size); } static int check_for_dasd(int fd) @@ -1705,7 +1706,7 @@ static int allocate_first_block(int fd, size_t max_size) size_t write_size = (max_size < MAX_BLOCKSIZE) ? BDRV_SECTOR_SIZE : MAX_BLOCKSIZE; - size_t max_align = MAX(MAX_BLOCKSIZE, getpagesize()); + size_t max_align = MAX(MAX_BLOCKSIZE, qemu_real_host_page_size); void *buf; ssize_t n; int ret; diff --git a/block/io.c b/block/io.c index f0b86c1d19..e46d9e8b97 100644 --- a/block/io.c +++ b/block/io.c @@ -160,7 +160,7 @@ void bdrv_refresh_limits(BlockDriverState *bs, Error **errp) bdrv_merge_limits(&bs->bl, &bs->file->bs->bl); } else { bs->bl.min_mem_alignment = 512; - bs->bl.opt_mem_alignment = getpagesize(); + bs->bl.opt_mem_alignment = qemu_real_host_page_size; /* Safe default since most protocols use readv()/writev()/etc */ bs->bl.max_iov = IOV_MAX; diff --git a/block/parallels.c b/block/parallels.c index 7cd2714b69..f1dfb03eef 100644 --- a/block/parallels.c +++ b/block/parallels.c @@ -847,7 +847,7 @@ static int parallels_open(BlockDriverState *bs, QDict *options, int flags, } } - s->bat_dirty_block = 4 * getpagesize(); + s->bat_dirty_block = 4 * qemu_real_host_page_size; s->bat_dirty_bmap = bitmap_new(DIV_ROUND_UP(s->header_size, s->bat_dirty_block)); diff --git a/block/qcow2-cache.c b/block/qcow2-cache.c index d29b038a67..7444b9c4ab 100644 --- a/block/qcow2-cache.c +++ b/block/qcow2-cache.c @@ -74,7 +74,7 @@ static void qcow2_cache_table_release(Qcow2Cache *c, int i, int num_tables) /* Using MADV_DONTNEED to discard memory is a Linux-specific feature */ #ifdef CONFIG_LINUX void *t = qcow2_cache_get_table_addr(c, i); - int align = getpagesize(); + int align = qemu_real_host_page_size; size_t mem_size = (size_t) c->table_size * num_tables; size_t offset = QEMU_ALIGN_UP((uintptr_t) t, align) - (uintptr_t) t; size_t length = QEMU_ALIGN_DOWN(mem_size - offset, align); |