Hi Alexander, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v4.19-rc3] [cannot apply to next-20180910] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Alexander-Duyck/Address-issues-slowing-persistent-memory-initialization/20180911-144536 config: x86_64-randconfig-x009-201836 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/asm-generic/bug.h:5:0, from arch/x86/include/asm/bug.h:83, from include/linux/bug.h:5, from include/linux/mmdebug.h:5, from include/linux/mm.h:9, from mm/page_alloc.c:18: mm/page_alloc.c: In function 'memmap_init_zone': mm/page_alloc.c:5566:21: error: 'ZONE_DEVICE' undeclared (first use in this function); did you mean 'ZONE_MOVABLE'? } else if (zone == ZONE_DEVICE) { ^ include/linux/compiler.h:58:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> mm/page_alloc.c:5566:9: note: in expansion of macro 'if' } else if (zone == ZONE_DEVICE) { ^~ mm/page_alloc.c:5566:21: note: each undeclared identifier is reported only once for each function it appears in } else if (zone == ZONE_DEVICE) { ^ include/linux/compiler.h:58:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> mm/page_alloc.c:5566:9: note: in expansion of macro 'if' } else if (zone == ZONE_DEVICE) { ^~ vim +/if +5566 mm/page_alloc.c 5551 5552 if (highest_memmap_pfn < end_pfn - 1) 5553 highest_memmap_pfn = end_pfn - 1; 5554 5555 /* 5556 * Honor reservation requested by the driver for this ZONE_DEVICE 5557 * memory. We limit the total number of pages to initialize to just 5558 * those that might contain the memory mapping. We will defer the 5559 * ZONE_DEVICE page initialization until after we have released 5560 * the hotplug lock. 5561 */ 5562 if (altmap && start_pfn == altmap->base_pfn) { 5563 start_pfn += altmap->reserve; 5564 end_pfn = altmap->base_pfn + 5565 vmem_altmap_offset(altmap); > 5566 } else if (zone == ZONE_DEVICE) { 5567 end_pfn = start_pfn; 5568 } 5569 5570 for (pfn = start_pfn; pfn < end_pfn; pfn++) { 5571 /* 5572 * There can be holes in boot-time mem_map[]s handed to this 5573 * function. They do not exist on hotplugged memory. 5574 */ 5575 if (context != MEMMAP_EARLY) 5576 goto not_early; 5577 5578 if (!early_pfn_valid(pfn)) 5579 continue; 5580 if (!early_pfn_in_nid(pfn, nid)) 5581 continue; 5582 if (!update_defer_init(pgdat, pfn, end_pfn, &nr_initialised)) 5583 break; 5584 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: application/gzip
