diff options
author | David S. Miller <davem@davemloft.net> | 2010-04-07 02:53:30 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-04-07 02:53:30 -0400 |
commit | 4a35ecf8bf1c4b039503fa554100fe85c761de76 (patch) | |
tree | 9b75f5d5636004d9a9aa496924377379be09aa1f /include/linux/tty.h | |
parent | b4d562e3c3553ac58c7120555c4e4aefbb090a2a (diff) | |
parent | fb9e2d887243499b8d28efcf80821c4f6a092395 (diff) |
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 { | |||
70 | 70 | ||
71 | /* | 71 | /* |
72 | * We default to dicing tty buffer allocations to this many characters | 72 | * We default to dicing tty buffer allocations to this many characters |
73 | * in order to avoid multiple page allocations. We assume tty_buffer itself | 73 | * in order to avoid multiple page allocations. We know the size of |
74 | * is under 256 bytes. See tty_buffer_find for the allocation logic this | 74 | * tty_buffer itself but it must also be taken into account that the |
75 | * must match | 75 | * the buffer is 256 byte aligned. See tty_buffer_find for the allocation |
76 | * logic this must match | ||
76 | */ | 77 | */ |
77 | 78 | ||
78 | #define TTY_BUFFER_PAGE ((PAGE_SIZE - 256) / 2) | 79 | #define TTY_BUFFER_PAGE (((PAGE_SIZE - sizeof(struct tty_buffer)) / 2) & ~0xFF) |
79 | 80 | ||
80 | 81 | ||
81 | struct tty_bufhead { | 82 | struct tty_bufhead { |
@@ -223,6 +224,7 @@ struct tty_port { | |||
223 | wait_queue_head_t close_wait; /* Close waiters */ | 224 | wait_queue_head_t close_wait; /* Close waiters */ |
224 | wait_queue_head_t delta_msr_wait; /* Modem status change */ | 225 | wait_queue_head_t delta_msr_wait; /* Modem status change */ |
225 | unsigned long flags; /* TTY flags ASY_*/ | 226 | unsigned long flags; /* TTY flags ASY_*/ |
227 | unsigned char console:1; /* port is a console */ | ||
226 | struct mutex mutex; /* Locking */ | 228 | struct mutex mutex; /* Locking */ |
227 | struct mutex buf_mutex; /* Buffer alloc lock */ | 229 | struct mutex buf_mutex; /* Buffer alloc lock */ |
228 | unsigned char *xmit_buf; /* Optional buffer */ | 230 | unsigned char *xmit_buf; /* Optional buffer */ |