diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-27 07:24:09 -0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-11-27 07:37:59 -0500 |
commit | 59f0cb0fddc14ffc6676ae62e911f8115ebc8ccf (patch) | |
tree | 1e5fc347287c02e83dce967180c96906f6ed7455 /arch/arm/mm | |
parent | ed313489badef16d700f5a3be50e8fd8f8294bc8 (diff) |
[ARM] remove memzero()
As suggested by Andrew Morton, remove memzero() - it's not supported
on other architectures so use of it is a potential build breaking bug.
Since the compiler optimizes memset(x,0,n) to __memzero() perfectly
well, we don't miss out on the underlying benefits of memzero().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm')
-rw-r--r-- | arch/arm/mm/mmu.c | 2 | ||||
-rw-r--r-- | arch/arm/mm/pgd.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 7f36c825718d..f24803c1fb0b 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c | |||
@@ -896,7 +896,7 @@ void __init paging_init(struct meminfo *mi, struct machine_desc *mdesc) | |||
896 | * allocate the zero page. Note that we count on this going ok. | 896 | * allocate the zero page. Note that we count on this going ok. |
897 | */ | 897 | */ |
898 | zero_page = alloc_bootmem_low_pages(PAGE_SIZE); | 898 | zero_page = alloc_bootmem_low_pages(PAGE_SIZE); |
899 | memzero(zero_page, PAGE_SIZE); | 899 | memset(zero_page, 0, PAGE_SIZE); |
900 | empty_zero_page = virt_to_page(zero_page); | 900 | empty_zero_page = virt_to_page(zero_page); |
901 | flush_dcache_page(empty_zero_page); | 901 | flush_dcache_page(empty_zero_page); |
902 | } | 902 | } |
diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c index e0f19ab91163..2690146161ba 100644 --- a/arch/arm/mm/pgd.c +++ b/arch/arm/mm/pgd.c | |||
@@ -31,7 +31,7 @@ pgd_t *get_pgd_slow(struct mm_struct *mm) | |||
31 | if (!new_pgd) | 31 | if (!new_pgd) |
32 | goto no_pgd; | 32 | goto no_pgd; |
33 | 33 | ||
34 | memzero(new_pgd, FIRST_KERNEL_PGD_NR * sizeof(pgd_t)); | 34 | memset(new_pgd, 0, FIRST_KERNEL_PGD_NR * sizeof(pgd_t)); |
35 | 35 | ||
36 | /* | 36 | /* |
37 | * Copy over the kernel and IO PGD entries | 37 | * Copy over the kernel and IO PGD entries |