http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50636
--- Comment #11 from Andi Kleen <andi-gcc at firstfloor dot org> 2011-10-08 16:47:54 UTC --- Created attachment 25445 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25445 patchkit I tested this patchkit which implements most of the ideas from this bug, unfortunately still the same problem (with 20% threshold and madvise) >From the core file I see a lot of 2-3 page holes still: 65218 load65205 00019000 00002ae45c515000 0000000000000000 bfea1000 2**12 CONTENTS, ALLOC, LOAD 65219 load65206 00018000 00002ae45c52f000 0000000000000000 bfeba000 2**12 CONTENTS, ALLOC, LOAD 65220 load65207 00013000 00002ae45c548000 0000000000000000 bfed2000 2**12 CONTENTS, ALLOC, LOAD 65221 load65208 00019000 00002ae45c55d000 0000000000000000 bfee5000 2**12 CONTENTS, ALLOC, LOAD 65222 load65209 00001000 00002ae45c577000 0000000000000000 bfefe000 2**12 CONTENTS, ALLOC, LOAD 65223 load65210 00044000 00002ae45c579000 0000000000000000 bfeff000 2**12 CONTENTS, ALLOC, LOAD 65224 load65211 0003d000 00002ae45c5be000 0000000000000000 bff43000 2**12 CONTENTS, ALLOC, LOAD 65225 load65212 00021000 00002ae45c5fc000 0000000000000000 bff80000 2**12 CONTENTS, ALLOC, LOAD 65226 load65213 00006000 00002ae45c61e000 0000000000000000 bffa1000 2**12 CONTENTS, ALLOC, LOAD 65227 load65214 0002d000 00002ae45c625000 0000000000000000 bffa7000 2**12 CONTENTS, ALLOC, LOAD 65228 load65215 00041000 00002ae45c653000 0000000000000000 bffd4000 2**12 CONTENTS, ALLOC, LOAD 65229 load65216 0000b000 00002ae45c695000 0000000000000000 c0015000 2**12 CONTENTS, ALLOC, LOAD 65230 load65217 00001000 00002ae45c6a1000 0000000000000000 c0020000 2**12 CONTENTS, ALLOC, LOAD 65231 load65218 0000f000 00002ae45c6a3000 0000000000000000 c0021000 2**12 CONTENTS, ALLOC, LOAD 65232 load65219 00001000 00002ae45c6b3000 0000000000000000 c0030000 2**12 CONTENTS, ALLOC, LOAD 65233 load65220 00031000 00002ae45c6b5000 0000000000000000 c0031000 2**12 CONTENTS, ALLOC, LOAD 65234 load65221 0001a000 00002ae45c6e7000 0000000000000000 c0062000 2**12 CONTENTS, ALLOC, LOAD 65235 load65222 0001c000 00002ae45c702000 0000000000000000 c007c000 2**12 CONTENTS, ALLOC, LOAD
