On Fri, Mar 08, 2013 at 11:44:37AM +0000, Mario Smarduch wrote: > > The zonelists are initialized in 'build_all_zonelists()' > called by 'start_kernel()'. But prior to that point > there is allot of other code that determines the > various zones and holes a key function is free_area_init_node(). > But that function will also reference prior initialization > in 'setup_arch()' which may take you all the way back > to bootloader > Nodes have zones, and zones define what the memory is > appropriate for, DMA or lowmem, Normal memory or High memory > for 32 bit. For 64 bit there are fewer zones just primarily > 32 bit DMA and normal 64 bit. Zones are further divided > into free areas of 2^n consecutive pages. > > Slabs are typically pages carved up into smaller units of > allocations. Does this mean slab is based on zone ? slab is just a optimized algorithm for normal allocator? thanks! > There are several kernel books but outdated, but nevertheless good > starting points, just search for 'Kernel Internals' > > BR, > Mario. > > > -----Original Message----- > From: linux-newbie-owner@xxxxxxxxxxxxxxx [mailto:linux-newbie-owner@xxxxxxxxxxxxxxx] On Behalf Of ishare > Sent: Thursday, March 07, 2013 3:35 PM > To: linux-newbie@xxxxxxxxxxxxxxx > Subject: memory zone and slab > > > when does the memory zonelist initialized in kernel ? > > what is the difference between zonelists and slab for memory manage . > > are there some man docs or sites helpful to understand this ? > > thanks! > > -- > To unsubscribe from this list: send the line "unsubscribe linux-newbie" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.linux-learn.org/faqs -- To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs
