Nice doc ...:) On Fri, Oct 14, 2011 at 10:28 AM, rohan puri <rohan.puri15@xxxxxxxxx> wrote: > > > On Thu, Oct 13, 2011 at 2:36 PM, V.Ravikumar <ravikumar.vallabhu@xxxxxxxxx> > wrote: >> >> >> On Thu, Oct 13, 2011 at 2:12 PM, Jeff Donner <jeffrey.donner@xxxxxxxxx> >> wrote: >>> >>> On Thu, Oct 13, 2011 at 1:26 AM, V.Ravikumar >>> <ravikumar.vallabhu@xxxxxxxxx> wrote: >>> > I've a daemon process and I'm allocating heap memory for big character >>> > buffers using malloc/free. >>> > Each can take 5MB. >>> > >>> > Though I freed/deleted memory allocated for the buffers, the increased >>> > memory during the allocation time is not re-claiming back.This I >>> > observed >>> > using top command. >>> >>> Yes, I think it's glibc - it may keep your memory, with the idea that >>> you'll request it again soon anyway. >> >> If this is the case then memory should not keep on increase albeit how >> long process may run. right? >> >> _______________________________________________ >> Kernelnewbies mailing list >> Kernelnewbies@xxxxxxxxxxxxxxxxx >> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >> > Hi Ravi, > > > When you ask for a memory block, usually by using malloc(), you're asking > the runtime C library whether a preallocated block is available. This > block's size must at least equal the user request. If there is already a > memory block available, malloc() will assign this block to the user and mark > it as "used." Otherwise, malloc() must allocate more memory by extending the > heap. All requested blocks go in an area called the heap. > > Reference to an article by Mulayadi Santosa :- > > http://linuxdevcenter.com/pub/a/linux/2006/11/30/linux-out-of-memory.html > > AWESOME ARTICLE SIR :) > > Regards, > Rohan Puri > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > -- Pankaj SIngh Phone No: 9921865080 _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
