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mm/page_alloc: remove the incorrect and misleading comment

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The comment removed in this patch originally belonged to the
build_zonelists_in_zone_order() function, which was introduced by commit
f0c0b2b808 ("change zonelist order: zonelist order selection logic").

Later, commit c9bff3eebc ("mm, page_alloc: rip out ZONELIST_ORDER_ZONE")
removed build_zonelists_in_zone_order() but left its comment behind.

Subsequently, commit 9d3be21bf9 ("mm, page_alloc: simplify zonelist
initialization") moved the node_order variable into build_zonelists(),
making the comment originally belonged to build_zonelists_in_zone_order()
appear as if it were part of build_zonelists().

Remove this misleading comment.

Link: https://lkml.kernel.org/r/20250115041634.63387-1-yuntao.wang@linux.dev
Signed-off-by: Yuntao Wang <yuntao.wang@linux.dev>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Yuntao Wang 2025-01-15 12:16:34 +08:00 committed by Andrew Morton
parent 81f804c3df
commit 686fa9537d
1 changed files with 0 additions and 7 deletions
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7
mm/page_alloc.c
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@ -5159,13 +5159,6 @@ static void build_thisnode_zonelists(pg_data_t *pgdat)
zonerefs->zone_idx = 0;
}
/*
* Build zonelists ordered by zone and nodes within zones.
* This results in conserving DMA zone[s] until all Normal memory is
* exhausted, but results in overflowing to remote node while memory
* may still exist in local DMA zone.
*/
static void build_zonelists(pg_data_t *pgdat)
{
static int node_order[MAX_NUMNODES];