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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2023-12-28 17:47:04 +0300
committerAndrew Morton <akpm@linux-foundation.org>2024-01-08 15:27:15 -0800
commit5e0a760b44417f7cadd79de2204d6247109558a0 (patch)
tree5f93b6d09d15cb11b0d92e8e4b98dedf1d9ab5b6 /mm/memblock.c
parentfd37721803c6e73619108f76ad2e12a9aa5fafaf (diff)
mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER
commit 23baf831a32c ("mm, treewide: redefine MAX_ORDER sanely") has changed the definition of MAX_ORDER to be inclusive. This has caused issues with code that was not yet upstream and depended on the previous definition. To draw attention to the altered meaning of the define, rename MAX_ORDER to MAX_PAGE_ORDER. Link: https://lkml.kernel.org/r/20231228144704.14033-2-kirill.shutemov@linux.intel.com Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memblock.c')
-rw-r--r--mm/memblock.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/memblock.c b/mm/memblock.c
index 4a62f7774b65..8c194d8afeec 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -2113,12 +2113,13 @@ static void __init __free_pages_memory(unsigned long start, unsigned long end)
* Free the pages in the largest chunks alignment allows.
*
* __ffs() behaviour is undefined for 0. start == 0 is
- * MAX_ORDER-aligned, set order to MAX_ORDER for the case.
+ * MAX_PAGE_ORDER-aligned, set order to MAX_PAGE_ORDER for
+ * the case.
*/
if (start)
- order = min_t(int, MAX_ORDER, __ffs(start));
+ order = min_t(int, MAX_PAGE_ORDER, __ffs(start));
else
- order = MAX_ORDER;
+ order = MAX_PAGE_ORDER;
while (start + (1UL << order) > end)
order--;