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Merge 241398329a ("mm/page_alloc: rename ALLOC_HIGH to ALLOC_MIN_RESERVE") into android14-6.1-lts

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Steps on the way to 6.1.116

Change-Id: Ib7c11329d114065714cd5d11ef69e65ab4d0bd51
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2024-11-17 12:20:06 +00:00
parent ad46e48e1b 241398329a
commit 500bbbbd01
2 changed files with 7 additions and 5 deletions
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4
mm/internal.h
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@@ -758,7 +758,9 @@ unsigned int reclaim_clean_pages_from_list(struct zone *zone,
#endif
#define ALLOC_HARDER 0x10 /* try to alloc harder */
#define ALLOC_HIGH 0x20 /* __GFP_HIGH set */
#define ALLOC_MIN_RESERVE 0x20 /* __GFP_HIGH set. Allow access to 50%
* of the min watermark.
*/
#define ALLOC_CPUSET 0x40 /* check for correct cpuset */
#define ALLOC_CMA 0x80 /* allow allocations from CMA areas */
#ifdef CONFIG_ZONE_DMA32

8
mm/page_alloc.c
View File

@@ -4122,7 +4122,7 @@ bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
/* free_pages may go negative - that's OK */
free_pages -= __zone_watermark_unusable_free(z, order, alloc_flags);
if (alloc_flags & ALLOC_HIGH)
if (alloc_flags & ALLOC_MIN_RESERVE)
min -= min / 2;
if (unlikely(alloc_harder)) {
@@ -4979,18 +4979,18 @@ gfp_to_alloc_flags(gfp_t gfp_mask)
unsigned int alloc_flags = ALLOC_WMARK_MIN | ALLOC_CPUSET;
/*
* __GFP_HIGH is assumed to be the same as ALLOC_HIGH
* __GFP_HIGH is assumed to be the same as ALLOC_MIN_RESERVE
* and __GFP_KSWAPD_RECLAIM is assumed to be the same as ALLOC_KSWAPD
* to save two branches.
*/
BUILD_BUG_ON(__GFP_HIGH != (__force gfp_t) ALLOC_HIGH);
BUILD_BUG_ON(__GFP_HIGH != (__force gfp_t) ALLOC_MIN_RESERVE);
BUILD_BUG_ON(__GFP_KSWAPD_RECLAIM != (__force gfp_t) ALLOC_KSWAPD);
/*
* The caller may dip into page reserves a bit more if the caller
* cannot run direct reclaim, or if the caller has realtime scheduling
* policy or is asking for __GFP_HIGH memory. GFP_ATOMIC requests will
* set both ALLOC_HARDER (__GFP_ATOMIC) and ALLOC_HIGH (__GFP_HIGH).
* set both ALLOC_HARDER (__GFP_ATOMIC) and ALLOC_MIN_RESERVE(__GFP_HIGH).
*/
alloc_flags |= (__force int)
(gfp_mask & (__GFP_HIGH | __GFP_KSWAPD_RECLAIM));