tree wide: use kvfree() than conditional kfree()/vfree()
[linux-drm-fsl-dcu.git] / drivers / block / drbd / drbd_bitmap.c
index 0dabc9b93725b3f1c5de274128ea7aeaa832c79d..92d6fc020a657c0694cc02c99d134fdf47c85c12 100644 (file)
@@ -364,12 +364,9 @@ static void bm_free_pages(struct page **pages, unsigned long number)
        }
 }
 
-static void bm_vk_free(void *ptr, int v)
+static inline void bm_vk_free(void *ptr)
 {
-       if (v)
-               vfree(ptr);
-       else
-               kfree(ptr);
+       kvfree(ptr);
 }
 
 /*
@@ -379,7 +376,7 @@ static struct page **bm_realloc_pages(struct drbd_bitmap *b, unsigned long want)
 {
        struct page **old_pages = b->bm_pages;
        struct page **new_pages, *page;
-       unsigned int i, bytes, vmalloced = 0;
+       unsigned int i, bytes;
        unsigned long have = b->bm_number_of_pages;
 
        BUG_ON(have == 0 && old_pages != NULL);
@@ -401,7 +398,6 @@ static struct page **bm_realloc_pages(struct drbd_bitmap *b, unsigned long want)
                                PAGE_KERNEL);
                if (!new_pages)
                        return NULL;
-               vmalloced = 1;
        }
 
        if (want >= have) {
@@ -411,7 +407,7 @@ static struct page **bm_realloc_pages(struct drbd_bitmap *b, unsigned long want)
                        page = alloc_page(GFP_NOIO | __GFP_HIGHMEM);
                        if (!page) {
                                bm_free_pages(new_pages + have, i - have);
-                               bm_vk_free(new_pages, vmalloced);
+                               bm_vk_free(new_pages);
                                return NULL;
                        }
                        /* we want to know which page it is
@@ -427,11 +423,6 @@ static struct page **bm_realloc_pages(struct drbd_bitmap *b, unsigned long want)
                */
        }
 
-       if (vmalloced)
-               b->bm_flags |= BM_P_VMALLOCED;
-       else
-               b->bm_flags &= ~BM_P_VMALLOCED;
-
        return new_pages;
 }
 
@@ -469,7 +460,7 @@ void drbd_bm_cleanup(struct drbd_device *device)
        if (!expect(device->bitmap))
                return;
        bm_free_pages(device->bitmap->bm_pages, device->bitmap->bm_number_of_pages);
-       bm_vk_free(device->bitmap->bm_pages, (BM_P_VMALLOCED & device->bitmap->bm_flags));
+       bm_vk_free(device->bitmap->bm_pages);
        kfree(device->bitmap);
        device->bitmap = NULL;
 }
@@ -643,7 +634,6 @@ int drbd_bm_resize(struct drbd_device *device, sector_t capacity, int set_new_bi
        unsigned long want, have, onpages; /* number of pages */
        struct page **npages, **opages = NULL;
        int err = 0, growing;
-       int opages_vmalloced;
 
        if (!expect(b))
                return -ENOMEM;
@@ -656,8 +646,6 @@ int drbd_bm_resize(struct drbd_device *device, sector_t capacity, int set_new_bi
        if (capacity == b->bm_dev_capacity)
                goto out;
 
-       opages_vmalloced = (BM_P_VMALLOCED & b->bm_flags);
-
        if (capacity == 0) {
                spin_lock_irq(&b->bm_lock);
                opages = b->bm_pages;
@@ -671,7 +659,7 @@ int drbd_bm_resize(struct drbd_device *device, sector_t capacity, int set_new_bi
                b->bm_dev_capacity = 0;
                spin_unlock_irq(&b->bm_lock);
                bm_free_pages(opages, onpages);
-               bm_vk_free(opages, opages_vmalloced);
+               bm_vk_free(opages);
                goto out;
        }
        bits  = BM_SECT_TO_BIT(ALIGN(capacity, BM_SECT_PER_BIT));
@@ -744,7 +732,7 @@ int drbd_bm_resize(struct drbd_device *device, sector_t capacity, int set_new_bi
 
        spin_unlock_irq(&b->bm_lock);
        if (opages != npages)
-               bm_vk_free(opages, opages_vmalloced);
+               bm_vk_free(opages);
        if (!growing)
                b->bm_set = bm_count_bits(b);
        drbd_info(device, "resync bitmap: bits=%lu words=%lu pages=%lu\n", bits, words, want);