# git rev-parse -q --verify 82bc47f26969f6ed290cda529b9893941923c0f4^{commit} 82bc47f26969f6ed290cda529b9893941923c0f4 already have revision, skipping fetch # git checkout -q -f -B kisskb 82bc47f26969f6ed290cda529b9893941923c0f4 # git clean -qxdf # git log -1 commit 82bc47f26969f6ed290cda529b9893941923c0f4 Author: Nicholas Piggin Date: Wed Mar 7 11:37:18 2018 +1000 powerpc/mm/slice: use the dynamic high slice size to limit bitmap operations The number of high slices a process might use now depends on its address space size, and what allocation address it has requested. This patch uses that limit throughout call chains where possible, rather than use the fixed SLICE_NUM_HIGH for bitmap operations. This saves some cost for processes that don't use very large address spaces. Perormance numbers aren't changed significantly, this may change with larger address spaces or different mmap access patterns that require more slice mask building. Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < git log --format=%s --max-count=1 82bc47f26969f6ed290cda529b9893941923c0f4 # < make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ppc6xx_defconfig # make -s -j 8 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- In file included from /kisskb/src/sound/ppc/pmac.h:25:0, from /kisskb/src/sound/ppc/awacs.c:29: /kisskb/src/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init': /kisskb/src/include/sound/control.h:220:9: warning: 'speaker_vol' may be used uninitialized in this function [-Wmaybe-uninitialized] return _snd_ctl_add_slave(master, slave, 0); ^ /kisskb/src/sound/ppc/awacs.c:886:36: note: 'speaker_vol' was declared here struct snd_kcontrol *master_vol, *speaker_vol; ^ /kisskb/src/drivers/input/joystick/analog.c:176:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp] #warning Precise timer not defined for this architecture. ^ arch/powerpc/boot/mpc832x_rdb.dtb: Warning (interrupts_property): interrupts size is (4), expected multiple of 8 in /qe@e0100000/mdio@3120/ethernet-phy@0 arch/powerpc/boot/mpc832x_rdb.dtb: Warning (interrupts_property): interrupts size is (4), expected multiple of 8 in /qe@e0100000/mdio@3120/ethernet-phy@4 INFO: Uncompressed kernel (size 0xa55634) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa55634) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa55634) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa55634) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa44edc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa55634) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa55634) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) Image Name: Linux-4.16.0-rc4+ Created: Wed Mar 7 15:51:47 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4871422 Bytes = 4757.25 kB = 4.65 MB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-4.16.0-rc4+ Created: Wed Mar 7 15:51:47 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4894937 Bytes = 4780.21 kB = 4.67 MB Load Address: 00b00000 Entry Point: 00b007a0 INFO: Uncompressed kernel (size 0xa55634) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa55634) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) Image Name: Linux-4.16.0-rc4+ Created: Wed Mar 7 15:51:47 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4895034 Bytes = 4780.31 kB = 4.67 MB Load Address: 00b00000 Entry Point: 00b001f4 Image Name: Linux-4.16.0-rc4+ Created: Wed Mar 7 15:51:47 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4894654 Bytes = 4779.94 kB = 4.67 MB Load Address: 00b00000 Entry Point: 00b007a0 INFO: Uncompressed kernel (size 0xa55634) overlaps the address of the wrapper(0x400000) INFO: Uncompressed kernel (size 0xa55634) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa44edc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) Image Name: Linux-4.16.0-rc4+ Created: Wed Mar 7 15:51:49 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4895004 Bytes = 4780.28 kB = 4.67 MB Load Address: 00b00000 Entry Point: 00b001f4 Image Name: Linux-4.16.0-rc4+ Created: Wed Mar 7 15:51:49 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4895027 Bytes = 4780.30 kB = 4.67 MB Load Address: 00b00000 Entry Point: 00b001f4 Image Name: Linux-4.16.0-rc4+ Created: Wed Mar 7 15:51:50 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4894062 Bytes = 4779.36 kB = 4.67 MB Load Address: 00b00000 Entry Point: 00b001f4 Image Name: Linux-4.16.0-rc4+ Created: Wed Mar 7 15:51:50 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4894988 Bytes = 4780.26 kB = 4.67 MB Load Address: 00b00000 Entry Point: 00b001f4 Image Name: Linux-4.16.0-rc4+ Created: Wed Mar 7 15:51:50 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4895532 Bytes = 4780.79 kB = 4.67 MB Load Address: 00b00000 Entry Point: 00b001f4 Completed OK # rm -rf /kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-5.3 # Build took: 0:04:58.734244