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Commit 8a092171 authored by Laura Abbott's avatar Laura Abbott Committed by Tejun Heo
Browse files

percpu: use VMALLOC_TOTAL instead of VMALLOC_END - VMALLOC_START 



vmalloc already gives a useful macro to calculate the total vmalloc
size. Use it.

Signed-off-by: default avatarLaura Abbott <lauraa@codeaurora.org>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 687b0ad2

mm/percpu.c

+2 −2
Original line number Diff line number Diff line
@@ -1686,10 +1686,10 @@ int __init pcpu_embed_first_chunk(size_t reserved_size, size_t dyn_size, 
	max_distance += ai->unit_size;



	/* warn if maximum distance is further than 75% of vmalloc space */

	if (max_distance > (VMALLOC_END - VMALLOC_START) * 3 / 4) {

	if (max_distance > VMALLOC_TOTAL * 3 / 4) {

		pr_warning("PERCPU: max_distance=0x%zx too large for vmalloc "

			   "space 0x%lx\n", max_distance,

			   (unsigned long)(VMALLOC_END - VMALLOC_START));

			   VMALLOC_TOTAL);

#ifdef CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK

		/* and fail if we have fallback */

		rc = -EINVAL;