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Hugh Dickins 11fa977ecd generic_file_aio_read() cleanups 
As akpm points out, there's really no need for generic_file_aio_read to
make a special case of count 0: just loop through nr_segs doing nothing.
And as Harvey Harrison points out, there's no need to reset retval to 0
where it's already 0.

Setting count (or ocount) to 0 before calling generic_segment_checks is
unnecessary too; but reluctantly I'll leave that removal to someone with a
wider range of gcc versions to hand - 4.1.2 and 4.2.1 don't warn about it,
but perhaps others do - I forget which are the warniest versions.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Tested-by: Lawrence Greenfield <leg@google.com>
Cc: Christoph Rohland <hans-christoph.rohland@sap.com>
Cc: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Zach Brown <zach.brown@oracle.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-24 10:47:16 -07:00
..
allocpercpu.c Merge commit 'v2.6.26-rc9' into cpus4096 2008-07-06 14:23:39 +02:00
backing-dev.c mm: bdi: fix race in bdi_class device creation 2008-05-20 13:31:53 -07:00
bootmem.c mm: unexport __alloc_bootmem_core() 2008-07-24 10:47:14 -07:00
bounce.c block: Initial support for data-less (or empty) barrier support 2007-10-16 11:03:56 +02:00
dmapool.c dmapool: enable debugging for CONFIG_SLUB_DEBUG_ON too 2008-04-28 08:58:20 -07:00
fadvise.c xip: support non-struct page backed memory 2008-04-28 08:58:23 -07:00
filemap.c generic_file_aio_read() cleanups 2008-07-24 10:47:16 -07:00
filemap_xip.c xip: support non-struct page backed memory 2008-04-28 08:58:23 -07:00
fremap.c mm: fix various kernel-doc comments 2008-03-19 18:53:35 -07:00
highmem.c highmem: Export totalhigh_pages. 2008-07-19 22:39:46 -07:00
hugetlb.c vma_page_offset() has no callees: drop it 2008-07-24 10:47:16 -07:00
internal.h mm: remove double indirection on tlb parameter to free_pgd_range() & Co 2008-07-24 10:47:15 -07:00
Kconfig Merge git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6 2008-07-14 13:37:29 -07:00
maccess.c kgdb: fix optional arch functions and probe_kernel_* 2008-04-17 20:05:39 +02:00
madvise.c xip: support non-struct page backed memory 2008-04-28 08:58:23 -07:00
Makefile mm: add a basic debugging framework for memory initialisation 2008-07-24 10:47:13 -07:00
memcontrol.c memcg: simple stats for memory resource controller 2008-05-01 08:04:02 -07:00
memory.c hugetlb: guarantee that COW faults for a process that called mmap(MAP_PRIVATE) on hugetlbfs will succeed 2008-07-24 10:47:16 -07:00
memory_hotplug.c mm: drop unneeded pgdat argument from free_area_init_node() 2008-07-24 10:47:16 -07:00
mempolicy.c mempolicy: mask off internal flags for userspace API 2008-07-04 13:03:05 -07:00
mempool.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
migrate.c mm/migrate.c should #include <linux/syscalls.h> 2008-07-24 10:47:14 -07:00
mincore.c mm: remove nopage 2008-04-28 08:58:18 -07:00
mlock.c
mm_init.c mm: print out the zonelists on request for manual verification 2008-07-24 10:47:14 -07:00
mmap.c mm: record MAP_NORESERVE status on vmas and fix small page mprotect reservations 2008-07-24 10:47:16 -07:00
mmzone.c mm: filter based on a nodemask as well as a gfp_mask 2008-04-28 08:58:19 -07:00
mprotect.c mm: record MAP_NORESERVE status on vmas and fix small page mprotect reservations 2008-07-24 10:47:16 -07:00
mremap.c sparse pointer use of zero as null 2007-10-18 14:37:31 -07:00
msync.c
nommu.c nommu: Correct kobjsize() page validity checks. 2008-06-12 07:56:17 -07:00
oom_kill.c oom_kill: remove unused parameter in badness() 2008-04-28 08:58:26 -07:00
page-writeback.c Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 2008-07-15 08:36:38 -07:00
page_alloc.c mm: drop unneeded pgdat argument from free_area_init_node() 2008-07-24 10:47:16 -07:00
page_io.c mm: fix PageUptodate data race 2008-02-05 09:44:19 -08:00
page_isolation.c memory hotremove: unset migrate type "ISOLATE" after removal 2007-11-14 18:45:38 -08:00
pagewalk.c pagemap: pass mm into pagewalkers 2008-06-12 18:05:41 -07:00
pdflush.c mm/pdflush.c: merge the same code in two path 2008-05-13 08:02:24 -07:00
prio_tree.c spelling fixes: mm/ 2007-10-20 01:27:18 +02:00
quicklist.c quicklists: Only consider memory that can be used with GFP_KERNEL 2008-01-14 08:52:22 -08:00
readahead.c mm: bdi: export BDI attributes in sysfs 2008-04-30 08:29:49 -07:00
rmap.c mm: remove nopage 2008-04-28 08:58:18 -07:00
shmem.c mm: bdi: add separate writeback accounting capability 2008-04-30 08:29:50 -07:00
shmem_acl.c
slab.c Merge branch 'generic-ipi' into generic-ipi-for-linus 2008-07-15 21:55:59 +02:00
slob.c slob: record page flag overlays explicitly 2008-07-24 10:47:15 -07:00
slub.c slub: record page flag overlays explicitly 2008-07-24 10:47:15 -07:00
sparse-vmemmap.c Christoph has moved 2008-07-04 10:40:04 -07:00
sparse.c mm: make defensive checks around PFN values registered for memory usage 2008-07-24 10:47:13 -07:00
swap.c mm: fix atomic_t overflow in vm 2008-05-24 09:56:09 -07:00
swap_state.c mm: bdi: add separate writeback accounting capability 2008-04-30 08:29:50 -07:00
swapfile.c mm: use non-racy method for /proc/swaps creation 2008-04-29 08:06:20 -07:00
thrash.c
tiny-shmem.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2008-03-25 08:57:47 -07:00
truncate.c fix invalidate_inode_pages2_range() to not clear ret 2008-04-28 08:58:18 -07:00
util.c fix mm/util.c:krealloc() 2007-11-14 18:45:41 -08:00
vmalloc.c docbook: fix vmalloc missing parameter notation 2008-05-01 08:03:59 -07:00
vmscan.c mm: fix incorrect variable type in do_try_to_free_pages() 2008-06-12 18:05:39 -07:00
vmstat.c mm/vmstat.c: proper externs 2008-07-24 10:47:14 -07:00