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| author | David S. Miller <davem@davemloft.net> | 2010-04-07 10:53:30 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-07 10:53:30 +0400 |
| commit | 4a35ecf8bf1c4b039503fa554100fe85c761de76 (patch) | |
| tree | 9b75f5d5636004d9a9aa496924377379be09aa1f /include/linux/tty.h | |
| parent | b4d562e3c3553ac58c7120555c4e4aefbb090a2a (diff) | |
| parent | fb9e2d887243499b8d28efcf80821c4f6a092395 (diff) | |
| download | linux-4a35ecf8bf1c4b039503fa554100fe85c761de76.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/bonding/bond_main.c
drivers/net/via-velocity.c
drivers/net/wireless/iwlwifi/iwl-agn.c
Diffstat (limited to 'include/linux/tty.h')
| -rw-r--r-- | include/linux/tty.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h index 71c7e9c96b23..bb44fa9ae135 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -70,12 +70,13 @@ struct tty_buffer { /* * We default to dicing tty buffer allocations to this many characters - * in order to avoid multiple page allocations. We assume tty_buffer itself - * is under 256 bytes. See tty_buffer_find for the allocation logic this - * must match + * in order to avoid multiple page allocations. We know the size of + * tty_buffer itself but it must also be taken into account that the + * the buffer is 256 byte aligned. See tty_buffer_find for the allocation + * logic this must match */ -#define TTY_BUFFER_PAGE ((PAGE_SIZE - 256) / 2) +#define TTY_BUFFER_PAGE (((PAGE_SIZE - sizeof(struct tty_buffer)) / 2) & ~0xFF) struct tty_bufhead { @@ -223,6 +224,7 @@ struct tty_port { wait_queue_head_t close_wait; /* Close waiters */ wait_queue_head_t delta_msr_wait; /* Modem status change */ unsigned long flags; /* TTY flags ASY_*/ + unsigned char console:1; /* port is a console */ struct mutex mutex; /* Locking */ struct mutex buf_mutex; /* Buffer alloc lock */ unsigned char *xmit_buf; /* Optional buffer */ |