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cc57165874
- In case of system crash, current state of cpu registers is saved in memory in elf note format. So far memory for storing elf notes was being allocated statically for NR_CPUS. - This patch introduces dynamic allocation of memory for storing elf notes. It uses alloc_percpu() interface. This should lead to better memory usage. - Introduced based on Andi Kleen's and Eric W. Biederman's suggestions. - This patch also moves memory allocation for elf notes from architecture dependent portion to architecture independent portion. Now crash_notes is architecture independent. The whole idea is that size of memory to be allocated per cpu (MAX_NOTE_BYTES) can be architecture dependent and allocation of this memory can be architecture independent. Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> |
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alpha | ||
arm | ||
arm26 | ||
cris | ||
frv | ||
h8300 | ||
i386 | ||
ia64 | ||
m32r | ||
m68k | ||
m68knommu | ||
mips | ||
parisc | ||
powerpc | ||
ppc | ||
s390 | ||
sh | ||
sh64 | ||
sparc | ||
sparc64 | ||
um | ||
v850 | ||
x86_64 | ||
xtensa |