[ARM] Feroceon: pass proper -mtune argument to gcc

[safe/jmp/linux-2.6] / mm / page_alloc.c

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 4125230..d8ac014 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -44,7 +44,7 @@
 #include <linux/backing-dev.h>
 #include <linux/fault-inject.h>
 #include <linux/page-isolation.h>
-#include <linux/memcontrol.h>
+#include <linux/page_cgroup.h>
 #include <linux/debugobjects.h>
 
 #include <asm/tlbflush.h>
@@ -223,17 +223,12 @@ static inline int bad_range(struct zone *zone, struct page *page)
 
 static void bad_page(struct page *page)
 {
-       void *pc = page_get_page_cgroup(page);
-
        printk(KERN_EMERG "Bad page state in process '%s'\n" KERN_EMERG
                "page:%p flags:0x%0*lx mapping:%p mapcount:%d count:%d\n",
                current->comm, page, (int)(2*sizeof(unsigned long)),
                (unsigned long)page->flags, page->mapping,
                page_mapcount(page), page_count(page));
-       if (pc) {
-               printk(KERN_EMERG "cgroup:%p\n", pc);
-               page_reset_bad_cgroup(page);
-       }
+
        printk(KERN_EMERG "Trying to fix it up, but a reboot is needed\n"
                KERN_EMERG "Backtrace:\n");
        dump_stack();
@@ -268,24 +263,39 @@ void prep_compound_page(struct page *page, unsigned long order)
 {
        int i;
        int nr_pages = 1 << order;
+
+       set_compound_page_dtor(page, free_compound_page);
+       set_compound_order(page, order);
+       __SetPageHead(page);
+       for (i = 1; i < nr_pages; i++) {
+               struct page *p = page + i;
+
+               __SetPageTail(p);
+               p->first_page = page;
+       }
+}
+
+#ifdef CONFIG_HUGETLBFS
+void prep_compound_gigantic_page(struct page *page, unsigned long order)
+{
+       int i;
+       int nr_pages = 1 << order;
        struct page *p = page + 1;
 
        set_compound_page_dtor(page, free_compound_page);
        set_compound_order(page, order);
        __SetPageHead(page);
-       for (i = 1; i < nr_pages; i++, p++) {
-               if (unlikely((i & (MAX_ORDER_NR_PAGES - 1)) == 0))
-                       p = pfn_to_page(page_to_pfn(page) + i);
+       for (i = 1; i < nr_pages; i++, p = mem_map_next(p, page, i)) {
                __SetPageTail(p);
                p->first_page = page;
        }
 }
+#endif
 
 static void destroy_compound_page(struct page *page, unsigned long order)
 {
        int i;
        int nr_pages = 1 << order;
-       struct page *p = page + 1;
 
        if (unlikely(compound_order(page) != order))
                bad_page(page);
@@ -293,9 +303,8 @@ static void destroy_compound_page(struct page *page, unsigned long order)
        if (unlikely(!PageHead(page)))
                        bad_page(page);
        __ClearPageHead(page);
-       for (i = 1; i < nr_pages; i++, p++) {
-               if (unlikely((i & (MAX_ORDER_NR_PAGES - 1)) == 0))
-                       p = pfn_to_page(page_to_pfn(page) + i);
+       for (i = 1; i < nr_pages; i++) {
+               struct page *p = page + i;
 
                if (unlikely(!PageTail(p) |
                                (p->first_page != page)))
@@ -454,9 +463,9 @@ static inline void __free_one_page(struct page *page,
 
 static inline int free_pages_check(struct page *page)
 {
+       free_page_mlock(page);
        if (unlikely(page_mapcount(page) |
                (page->mapping != NULL)  |
-               (page_get_page_cgroup(page) != NULL) |
                (page_count(page) != 0)  |
                (page->flags & PAGE_FLAGS_CHECK_AT_FREE)))
                bad_page(page);
@@ -602,7 +611,6 @@ static int prep_new_page(struct page *page, int order, gfp_t gfp_flags)
 {
        if (unlikely(page_mapcount(page) |
                (page->mapping != NULL)  |
-               (page_get_page_cgroup(page) != NULL) |
                (page_count(page) != 0)  |
                (page->flags & PAGE_FLAGS_CHECK_AT_PREP)))
                bad_page(page);
@@ -616,7 +624,11 @@ static int prep_new_page(struct page *page, int order, gfp_t gfp_flags)
 
        page->flags &= ~(1 << PG_uptodate | 1 << PG_error | 1 << PG_reclaim |
                        1 << PG_referenced | 1 << PG_arch_1 |
-                       1 << PG_owner_priv_1 | 1 << PG_mappedtodisk);
+                       1 << PG_owner_priv_1 | 1 << PG_mappedtodisk
+#ifdef CONFIG_UNEVICTABLE_LRU
+                       | 1 << PG_mlocked
+#endif
+                       );
        set_page_private(page, 0);
        set_page_refcounted(page);
 
@@ -1549,6 +1561,10 @@ nofail_alloc:
 
        /* We now go into synchronous reclaim */
        cpuset_memory_pressure_bump();
+       /*
+        * The task's cpuset might have expanded its set of allowable nodes
+        */
+       cpuset_update_task_memory_state();
        p->flags |= PF_MEMALLOC;
        reclaim_state.reclaimed_slab = 0;
        p->reclaim_state = &reclaim_state;
@@ -3433,6 +3449,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
        pgdat->nr_zones = 0;
        init_waitqueue_head(&pgdat->kswapd_wait);
        pgdat->kswapd_max_order = 0;
+       pgdat_page_cgroup_init(pgdat);
        
        for (j = 0; j < MAX_NR_ZONES; j++) {
                struct zone *zone = pgdat->node_zones + j;
@@ -3452,8 +3469,8 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
                        PAGE_ALIGN(size * sizeof(struct page)) >> PAGE_SHIFT;
                if (realsize >= memmap_pages) {
                        realsize -= memmap_pages;
-                       mminit_dprintk(MMINIT_TRACE, "memmap_init",
-                               "%s zone: %lu pages used for memmap\n",
+                       printk(KERN_DEBUG
+                               "  %s zone: %lu pages used for memmap\n",
                                zone_names[j], memmap_pages);
                } else
                        printk(KERN_WARNING
@@ -3463,8 +3480,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
                /* Account for reserved pages */
                if (j == 0 && realsize > dma_reserve) {
                        realsize -= dma_reserve;
-                       mminit_dprintk(MMINIT_TRACE, "memmap_init",
-                                       "%s zone: %lu pages reserved\n",
+                       printk(KERN_DEBUG "  %s zone: %lu pages reserved\n",
                                        zone_names[0], dma_reserve);
                }
 
@@ -4238,7 +4254,7 @@ void setup_per_zone_pages_min(void)
        for_each_zone(zone) {
                u64 tmp;
 
-               spin_lock_irqsave(&zone->lru_lock, flags);
+               spin_lock_irqsave(&zone->lock, flags);
                tmp = (u64)pages_min * zone->present_pages;
                do_div(tmp, lowmem_pages);
                if (is_highmem(zone)) {
@@ -4270,7 +4286,7 @@ void setup_per_zone_pages_min(void)
                zone->pages_low   = zone->pages_min + (tmp >> 2);
                zone->pages_high  = zone->pages_min + (tmp >> 1);
                setup_zone_migrate_reserve(zone);
-               spin_unlock_irqrestore(&zone->lru_lock, flags);
+               spin_unlock_irqrestore(&zone->lock, flags);
        }
 
        /* update totalreserve_pages */