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Andrew Morton 7a8ef1cb77 [PATCH] x86: don't initialise cpu_possible_map to all ones ... Initialising cpu_possible_map to all-ones with CONFIG_HOTPLUG_CPU means that a) All for_each_cpu() loops will iterate across all NR_CPUS CPUs, rather than over possible ones. That can be quite expensive. b) Soon we'll be allocating per-cpu areas only for possible CPUs. So with CPU_MASK_ALL, we'll be wasting memory. I also switched voyager over to not use CPU_MASK_ALL in the non-CPU-hotplug case. Should be OK.. I note that parisc is also using CPU_MASK_ALL. Suggest that it stop doing that. Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Paul Jackson <pj@sgi.com> Cc: Ashok Raj <ashok.raj@intel.com> Cc: Zwane Mwaikambo <zwane@linuxpower.ca> Cc: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		19 years ago
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alpha	[PATCH] alpha: set cpu_possible_map much earlier	19 years ago
arm	Merge master.kernel.org:/home/rmk/linux-2.6-serial	19 years ago
arm26	…
cris	…
frv	…
h8300	…
i386	[PATCH] x86: don't initialise cpu_possible_map to all ones	19 years ago
ia64	Pull new-syscalls into release branch	19 years ago
m32r	…
m68k	…
m68knommu	…
mips	Merge master.kernel.org:/home/rmk/linux-2.6-serial	19 years ago
parisc	…
powerpc	[PATCH] Fix building external modules on ppc32	19 years ago
ppc	Merge master.kernel.org:/home/rmk/linux-2.6-serial	19 years ago
s390	…
sh	[PATCH] sh: lvalues abuse in arch/sh/boards/renesas/rts7751r2d/io.c	19 years ago
sh64	…
sparc	…
sparc64	[SPARC64]: Fix sys_newfstatat syscall table entry for 64-bit.	19 years ago
um	…
v850	…
x86_64	[PATCH] x86-64: Add sys_unshare	19 years ago
xtensa	…