diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-21 15:58:17 -0800 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-21 15:58:17 -0800 |
commit | e952f31bce6e9f64db01f607abc46529ba57ac9e (patch) | |
tree | b746bcd315d4f86c9ed7617939f29339fc692852 /arch/ia64/sn/kernel/xpc_partition.c | |
parent | e0f4ab8a1741193891f096aa63df9ac8672af54c (diff) | |
parent | 133a58c1fd97022690d53dd58df56579193cbc1d (diff) |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64-SGI] SN2-XP reduce kmalloc wrapper inlining
[IA64] MCA: remove obsolete ifdef
[IA64] MCA: update MCA comm field for user space tasks
[IA64] MCA: print messages in MCA handler
[IA64-SGI] - Eliminate SN pio_phys_xxx macros. Move to assembly
[IA64] use icc defined constant
[IA64] add __builtin_trap definition for icc build
[IA64] clean up asm/intel_intrin.h
[IA64] map ia64_hint definition to intel compiler intrinsic
[IA64] hooks to wait for mmio writes to drain when migrating processes
[IA64-SGI] driver bugfixes and hardware workarounds for CE1.0 asic
[IA64-SGI] Handle SC env. powerdown events
[IA64] Delete MCA/INIT sigdelayed code
[IA64-SGI] sem2mutex ioc4.c
[IA64] implement ia64 specific mutex primitives
[IA64] Fix UP build with BSP removal support.
[IA64] support for cpu0 removal
Diffstat (limited to 'arch/ia64/sn/kernel/xpc_partition.c')
-rw-r--r-- | arch/ia64/sn/kernel/xpc_partition.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/arch/ia64/sn/kernel/xpc_partition.c b/arch/ia64/sn/kernel/xpc_partition.c index 88a730e6cfd..94211429fd0 100644 --- a/arch/ia64/sn/kernel/xpc_partition.c +++ b/arch/ia64/sn/kernel/xpc_partition.c @@ -81,6 +81,31 @@ char ____cacheline_aligned xpc_remote_copy_buffer[XPC_RP_HEADER_SIZE + /* + * Guarantee that the kmalloc'd memory is cacheline aligned. + */ +static void * +xpc_kmalloc_cacheline_aligned(size_t size, gfp_t flags, void **base) +{ + /* see if kmalloc will give us cachline aligned memory by default */ + *base = kmalloc(size, flags); + if (*base == NULL) { + return NULL; + } + if ((u64) *base == L1_CACHE_ALIGN((u64) *base)) { + return *base; + } + kfree(*base); + + /* nope, we'll have to do it ourselves */ + *base = kmalloc(size + L1_CACHE_BYTES, flags); + if (*base == NULL) { + return NULL; + } + return (void *) L1_CACHE_ALIGN((u64) *base); +} + + +/* * Given a nasid, get the physical address of the partition's reserved page * for that nasid. This function returns 0 on any error. */ @@ -1038,13 +1063,12 @@ xpc_discovery(void) remote_vars = (struct xpc_vars *) remote_rp; - discovered_nasids = kmalloc(sizeof(u64) * xp_nasid_mask_words, + discovered_nasids = kzalloc(sizeof(u64) * xp_nasid_mask_words, GFP_KERNEL); if (discovered_nasids == NULL) { kfree(remote_rp_base); return; } - memset(discovered_nasids, 0, sizeof(u64) * xp_nasid_mask_words); rp = (struct xpc_rsvd_page *) xpc_rsvd_page; |