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Commit d903ef9f authored by Yinghai Lu's avatar Yinghai Lu Committed by Linus Torvalds
Browse files

mm: print out meminit for memmap 



Improve debuggability of memory setup problems.

Signed-off-by: default avatarYinghai Lu <yhlu.kernel@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 2a4b3ded

mm/page_alloc.c

+3 −4
Original line number Diff line number Diff line
@@ -3457,7 +3457,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat, 
			PAGE_ALIGN(size * sizeof(struct page)) >> PAGE_SHIFT;

		if (realsize >= memmap_pages) {

			realsize -= memmap_pages;

			mminit_dprintk(MMINIT_TRACE, "memmap_init",

			printk(KERN_DEBUG

				"  %s zone: %lu pages used for memmap\n",

				zone_names[j], memmap_pages);

		} else
@@ -3468,8 +3468,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat, 
		/* Account for reserved pages */

		if (j == 0 && realsize > dma_reserve) {

			realsize -= dma_reserve;

			mminit_dprintk(MMINIT_TRACE, "memmap_init",

					"%s zone: %lu pages reserved\n",

			printk(KERN_DEBUG "  %s zone: %lu pages reserved\n",

					zone_names[0], dma_reserve);

		}