diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 430956db0..ee0229558 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2005,11 +2005,7 @@ static bool __zone_watermark_ok(struct zone *z, int order, unsigned long mark, { /* free_pages my go negative - that's OK */ long min = mark; - long lowmem_reserve = z->lowmem_reserve[classzone_idx]; int o; -#if !defined(CONFIG_CMA) || !defined(CONFIG_MTK_SVP) // SVP 15 - long free_cma = 0; -#endif free_pages -= (1 << order) - 1; if (alloc_flags & ALLOC_HIGH) @@ -2021,12 +2017,12 @@ static bool __zone_watermark_ok(struct zone *z, int order, unsigned long mark, #ifdef CONFIG_CMA /* If allocation can't use CMA areas don't use free CMA pages */ if (!(alloc_flags & ALLOC_CMA)) - free_cma = zone_page_state(z, NR_FREE_CMA_PAGES); + free_pages -= zone_page_state(z, NR_FREE_CMA_PAGES); #endif #endif #if defined(CONFIG_CMA) && defined(CONFIG_MTK_SVP) // SVP 15 - if (free_pages <= min + lowmem_reserve) + if (free_pages <= min + z->lowmem_reserve[classzone_idx]) #else if (free_pages - free_cma <= min + lowmem_reserve) #endif @@ -2034,7 +2030,15 @@ static bool __zone_watermark_ok(struct zone *z, int order, unsigned long mark, return false; for (o = 0; o < order; o++) { /* At the next order, this order's pages become unavailable */ - free_pages -= z->free_area[o].nr_free << o; + if (!(alloc_flags & ALLOC_CMA)) { + long free = z->free_area[o].nr_free - + z->free_area[o].nr_free_cma; + if (free < 0) + free = 0; + free_pages -= free << o; + } else { + free_pages -= z->free_area[o].nr_free << o; + } /* Require fewer higher order pages to be free */ min >>= min_free_order_shift; |