The patch titled
Remove unnecessary memset(0) calls after kzalloc() calls.
has been added to the -mm tree. Its filename is
remove-unnecessary-memset0-calls-after-kzalloc-calls.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Remove unnecessary memset(0) calls after kzalloc() calls.
From: "Robert P. J. Day" <rpjday@xxxxxxxxxxxxxx>
Delete the few remaining unnecessary calls to memset(0) after a call to
kzalloc().
Signed-off-by: Robert P. J. Day <rpjday@xxxxxxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Cc: Dmitry Torokhov <dtor@xxxxxxx>
Cc: Adam Belay <ambx1@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/x86_64/kernel/mce_amd.c | 2 --
drivers/input/gameport/ns558.c | 1 -
drivers/pnp/pnpbios/rsparser.c | 1 -
3 files changed, 4 deletions(-)
diff -puN arch/x86_64/kernel/mce_amd.c~remove-unnecessary-memset0-calls-after-kzalloc-calls arch/x86_64/kernel/mce_amd.c
--- a/arch/x86_64/kernel/mce_amd.c~remove-unnecessary-memset0-calls-after-kzalloc-calls
+++ a/arch/x86_64/kernel/mce_amd.c
@@ -401,7 +401,6 @@ static __cpuinit int allocate_threshold_
b = kzalloc(sizeof(struct threshold_block), GFP_KERNEL);
if (!b)
return -ENOMEM;
- memset(b, 0, sizeof(struct threshold_block));
b->block = block;
b->bank = bank;
@@ -490,7 +489,6 @@ static __cpuinit int threshold_create_ba
err = -ENOMEM;
goto out;
}
- memset(b, 0, sizeof(struct threshold_bank));
kobject_set_name(&b->kobj, "threshold_bank%i", bank);
b->kobj.parent = &per_cpu(device_mce, cpu).kobj;
diff -puN drivers/input/gameport/ns558.c~remove-unnecessary-memset0-calls-after-kzalloc-calls drivers/input/gameport/ns558.c
--- a/drivers/input/gameport/ns558.c~remove-unnecessary-memset0-calls-after-kzalloc-calls
+++ a/drivers/input/gameport/ns558.c
@@ -151,7 +151,6 @@ static int ns558_isa_probe(int io)
return -ENOMEM;
}
- memset(ns558, 0, sizeof(struct ns558));
ns558->io = io;
ns558->size = 1 << i;
ns558->gameport = port;
diff -puN drivers/pnp/pnpbios/rsparser.c~remove-unnecessary-memset0-calls-after-kzalloc-calls drivers/pnp/pnpbios/rsparser.c
--- a/drivers/pnp/pnpbios/rsparser.c~remove-unnecessary-memset0-calls-after-kzalloc-calls
+++ a/drivers/pnp/pnpbios/rsparser.c
@@ -530,7 +530,6 @@ pnpbios_parse_compatible_ids(unsigned ch
dev_id = kzalloc(sizeof (struct pnp_id), GFP_KERNEL);
if (!dev_id)
return NULL;
- memset(dev_id, 0, sizeof(struct pnp_id));
pnpid32_to_pnpid(p[1] | p[2] << 8 | p[3] << 16 | p[4] << 24,id);
memcpy(&dev_id->id, id, 7);
pnp_add_id(dev_id, dev);
_
Patches currently in -mm which might be from rpjday@xxxxxxxxxxxxxx are
git-alsa.patch
ppc-use-syslog-macro-for-the-printk-log-level.patch
rewrite-unnecessary-duplicated-code-to-use-field_sizeof.patch
transform-kmem_cache_allocmemset0-kmem_cache_zalloc.patch
get-rid-of-double-zeroing-of-allocated-pages.patch
remove-unnecessary-memset0-calls-after-kzalloc-calls.patch
oss-replace-kmallocmemset-combos-with-kzalloc.patch
-
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