Herbert Xu
fb93134dfc
[TCP]: Fix size calculation in sk_stream_alloc_pskb ...
We round up the header size in sk_stream_alloc_pskb so that
TSO packets get zero tail room. Unfortunately this rounding
up is not coordinated with the select_size() function used by
TCP to calculate the second parameter of sk_stream_alloc_pskb.
As a result, we may allocate more than a page of data in the
non-TSO case when exactly one page is desired.
In fact, rounding up the head room is detrimental in the non-TSO
case because it makes memory that would otherwise be available to
the payload head room. TSO doesn't need this either, all it wants
is the guarantee that there is no tail room.
So this patch fixes this by adjusting the skb_reserve call so that
exactly the requested amount (which all callers have calculated in
a precise way) is made available as tail room.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-14 15:45:21 -08:00
ACPI: Fan: Drop force_power_state acpi_device option
2007-10-25 16:31:31 -04:00
Add CONFIG_DEBUG_SG sg validation
2007-10-22 21:20:03 +02:00
[ARM] 4644/2: fix flush_kern_tlb_range() in module space
2007-11-08 10:07:14 +00:00
AVR32: Fix sg_page breakage
2007-10-24 10:16:02 +02:00
Blackfin arch: use a less common define name in BF549
2007-10-30 12:04:53 +08:00
Add CONFIG_DEBUG_SG sg validation
2007-10-22 21:20:03 +02:00
frv: Remove bogus NO_IRQ = -1 define
2007-11-09 15:11:44 -08:00
Linux Kernel Markers
2007-10-19 11:53:54 -07:00
Add CONFIG_DEBUG_SG sg validation
2007-10-22 21:20:03 +02:00
[IA64] Update printing of feature set bits
2007-11-09 13:05:30 -08:00
Add CONFIG_DEBUG_SG sg validation
2007-10-22 21:20:03 +02:00
Add CONFIG_DEBUG_SG sg validation
2007-10-22 21:20:03 +02:00
m68knommu: fix pread/pwrite defines
2007-11-05 15:12:33 -08:00
Use i8253.c lock for PC speaker on MIPS, too.
2007-11-02 19:39:18 -07:00
parisc: fix sg_page() fallout
2007-10-23 09:49:31 +02:00
[POWERPC] Avoid unpaired stwcx. on some processors
2007-11-13 16:22:43 +11:00
ppc: fix AT_VECTOR_SIZE on arch/ppc
2007-10-22 19:18:54 -07:00
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
2007-10-22 19:23:34 -07:00
sh: remove dead config symbols from SH code
2007-11-09 04:45:29 +09:00
sh: remove PTRACE_O_TRACESYSGOOD from asm/ptrace.h
2007-11-07 11:13:54 +09:00
[SPARC32]: __inline__ --> inline
2007-10-27 00:17:01 -07:00
[SPARC64]: Use "is_power_of_2" macro for simplicity.
2007-11-07 02:24:33 -08:00
x86 merge fallout: uml
2007-10-29 07:41:32 -07:00
Add CONFIG_DEBUG_SG sg validation
2007-10-22 21:20:03 +02:00
x86: fix taking DNA during 64bit sigreturn
2007-11-12 11:09:33 -08:00
xtensa: dma-mapping.h is using linux/scatterlist.h functions, so include it
2007-10-24 13:28:40 +02:00
Merge branch 'release' of git://lm-sensors.org/kernel/mhoffman/hwmon-2.6
2007-11-13 09:09:36 -08:00
[PATCH] Fix breakage after SG cleanups
2007-10-23 12:02:39 -07:00
[TCP]: Fix size calculation in sk_stream_alloc_pskb
2007-11-14 15:45:21 -08:00
cleanup asm/scatterlist.h includes
2007-11-02 08:47:06 +01:00
SCSI: add asynchronous event notification API
2007-11-03 22:23:02 -04:00
[ALSA] version 1.0.15
2007-10-23 08:09:20 +02:00
Make asm-x86/bootparam.h includable from userspace.
2007-10-23 15:49:47 +10:00
fb93134dfc