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Eric Dumazet 2f51201662 [PATCH] reduce sizeof(struct file) 
Now that RCU applied on 'struct file' seems stable, we can place f_rcuhead
in a memory location that is not anymore used at call_rcu(&f->f_rcuhead,
file_free_rcu) time, to reduce the size of this critical kernel object.

The trick I used is to move f_rcuhead and f_list in an union called f_u

The callers are changed so that f_rcuhead becomes f_u.fu_rcuhead and f_list
becomes f_u.f_list

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-30 17:37:19 -08:00
..
acpi
asm-alpha [PATCH] add sem_is_read/write_locked() 2005-10-29 21:40:35 -07:00
asm-arm [PATCH] mm: tlb_finish_mmu forget rss 2005-10-29 21:40:37 -07:00
asm-arm26 [PATCH] mm: tlb_finish_mmu forget rss 2005-10-29 21:40:37 -07:00
asm-cris [PATCH] gfp_t: dma-mapping (cris) 2005-10-28 08:16:48 -07:00
asm-frv [PATCH] gfp_t: dma-mapping (frv) 2005-10-28 08:16:48 -07:00
asm-generic [PATCH] mm: update comments to pte lock 2005-10-29 21:40:42 -07:00
asm-h8300
asm-i386 [PATCH] i386: move apic init in init_IRQs 2005-10-30 17:37:13 -08:00
asm-ia64 [PATCH] mm: tlb_finish_mmu forget rss 2005-10-29 21:40:37 -07:00
asm-m32r [PATCH] m32r: fix #if warnings 2005-10-30 17:37:15 -08:00
asm-m68k [PATCH] remove some more check_region stuff 2005-10-30 17:37:18 -08:00
asm-m68knommu [PATCH] remove some more check_region stuff 2005-10-30 17:37:18 -08:00
asm-mips BCM1480 HT support 2005-10-29 19:32:49 +01:00
asm-parisc [PATCH] remove some more check_region stuff 2005-10-30 17:37:18 -08:00
asm-powerpc [PATCH] ppc32: Fix timekeeping 2005-10-12 08:24:47 -07:00
asm-ppc [PATCH] add sem_is_read/write_locked() 2005-10-29 21:40:35 -07:00
asm-ppc64 [PATCH] memory hotplug prep: kill local_mapnr 2005-10-29 21:40:44 -07:00
asm-s390 [PATCH] s390: export ipl device parameters 2005-10-30 17:37:16 -08:00
asm-sh [PATCH] add sem_is_read/write_locked() 2005-10-29 21:40:35 -07:00
asm-sh64 [PATCH] gfp_t: dma-mapping (simple cases) 2005-10-28 08:16:49 -07:00
asm-sparc [PATCH] remove some more check_region stuff 2005-10-30 17:37:18 -08:00
asm-sparc64 [PATCH] mm: tlb_finish_mmu forget rss 2005-10-29 21:40:37 -07:00
asm-um [PATCH] uml: remove old UM_FASTCALL, and make the thing work again 2005-10-30 17:37:16 -08:00
asm-v850
asm-x86_64 [PATCH] Clean up mtrr compat ioctl code 2005-10-30 17:37:13 -08:00
asm-xtensa [PATCH] gfp_t: dma-mapping (xtensa) 2005-10-28 08:16:49 -07:00
linux [PATCH] reduce sizeof(struct file) 2005-10-30 17:37:19 -08:00
math-emu
media [PATCH] i2c: ID redefinition cleanups 2005-10-28 14:02:13 -07:00
mtd
net Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 2005-10-29 11:25:16 -07:00
pcmcia [PATCH] yenta: auto-tune EnE bridges for CardBus cards 2005-09-26 13:09:20 +02:00
rdma [IB] Fix MAD layer DMA mappings to avoid touching data buffer once mapped 2005-10-25 10:51:39 -07:00
rxrpc [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
scsi Merge branch 'master' 2005-10-28 12:31:34 -04:00
sound [PATCH] gfp_t: sound 2005-10-28 08:16:50 -07:00
video