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-rw-r--r--mm/fremap.c3
-rw-r--r--mm/highmem.c2
-rw-r--r--mm/madvise.c11
-rw-r--r--mm/mempolicy.c8
-rw-r--r--mm/mempool.c6
-rw-r--r--mm/nommu.c3
-rw-r--r--mm/oom_kill.c2
-rw-r--r--mm/page_alloc.c12
-rw-r--r--mm/page_io.c2
-rw-r--r--mm/shmem.c3
-rw-r--r--mm/slab.c34
-rw-r--r--mm/swap_state.c2
-rw-r--r--mm/vmalloc.c4
13 files changed, 44 insertions, 48 deletions
diff --git a/mm/fremap.c b/mm/fremap.c
index 3235fb77c13..ab23a0673c3 100644
--- a/mm/fremap.c
+++ b/mm/fremap.c
@@ -89,6 +89,9 @@ int install_page(struct mm_struct *mm, struct vm_area_struct *vma,
size = (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
if (!page->mapping || page->index >= size)
goto err_unlock;
+ err = -ENOMEM;
+ if (page_mapcount(page) > INT_MAX/2)
+ goto err_unlock;
zap_pte(mm, vma, addr, pte);
diff --git a/mm/highmem.c b/mm/highmem.c
index 40091159946..90e1861e2da 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -30,7 +30,7 @@
static mempool_t *page_pool, *isa_page_pool;
-static void *page_pool_alloc(unsigned int __nocast gfp_mask, void *data)
+static void *page_pool_alloc(gfp_t gfp_mask, void *data)
{
unsigned int gfp = gfp_mask | (unsigned int) (long) data;
diff --git a/mm/madvise.c b/mm/madvise.c
index 4454936f87d..20e075d1c64 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -83,6 +83,9 @@ static long madvise_willneed(struct vm_area_struct * vma,
{
struct file *file = vma->vm_file;
+ if (!file)
+ return -EBADF;
+
if (file->f_mapping->a_ops->get_xip_page) {
/* no bad return value, but ignore advice */
return 0;
@@ -141,11 +144,7 @@ static long
madvise_vma(struct vm_area_struct *vma, struct vm_area_struct **prev,
unsigned long start, unsigned long end, int behavior)
{
- struct file *filp = vma->vm_file;
- long error = -EBADF;
-
- if (!filp)
- goto out;
+ long error;
switch (behavior) {
case MADV_NORMAL:
@@ -166,8 +165,6 @@ madvise_vma(struct vm_area_struct *vma, struct vm_area_struct **prev,
error = -EINVAL;
break;
}
-
-out:
return error;
}
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 9033f0859aa..37af443eb09 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -687,7 +687,7 @@ get_vma_policy(struct task_struct *task, struct vm_area_struct *vma, unsigned lo
}
/* Return a zonelist representing a mempolicy */
-static struct zonelist *zonelist_policy(unsigned int __nocast gfp, struct mempolicy *policy)
+static struct zonelist *zonelist_policy(gfp_t gfp, struct mempolicy *policy)
{
int nd;
@@ -751,7 +751,7 @@ static unsigned offset_il_node(struct mempolicy *pol,
/* Allocate a page in interleaved policy.
Own path because it needs to do special accounting. */
-static struct page *alloc_page_interleave(unsigned int __nocast gfp, unsigned order, unsigned nid)
+static struct page *alloc_page_interleave(gfp_t gfp, unsigned order, unsigned nid)
{
struct zonelist *zl;
struct page *page;
@@ -789,7 +789,7 @@ static struct page *alloc_page_interleave(unsigned int __nocast gfp, unsigned or
* Should be called with the mm_sem of the vma hold.
*/
struct page *
-alloc_page_vma(unsigned int __nocast gfp, struct vm_area_struct *vma, unsigned long addr)
+alloc_page_vma(gfp_t gfp, struct vm_area_struct *vma, unsigned long addr)
{
struct mempolicy *pol = get_vma_policy(current, vma, addr);
@@ -832,7 +832,7 @@ alloc_page_vma(unsigned int __nocast gfp, struct vm_area_struct *vma, unsigned l
* 1) it's ok to take cpuset_sem (can WAIT), and
* 2) allocating for current task (not interrupt).
*/
-struct page *alloc_pages_current(unsigned int __nocast gfp, unsigned order)
+struct page *alloc_pages_current(gfp_t gfp, unsigned order)
{
struct mempolicy *pol = current->mempolicy;
diff --git a/mm/mempool.c b/mm/mempool.c
index 65f2957b8d5..9e377ea700b 100644
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -112,7 +112,7 @@ EXPORT_SYMBOL(mempool_create_node);
* while this function is running. mempool_alloc() & mempool_free()
* might be called (eg. from IRQ contexts) while this function executes.
*/
-int mempool_resize(mempool_t *pool, int new_min_nr, unsigned int __nocast gfp_mask)
+int mempool_resize(mempool_t *pool, int new_min_nr, gfp_t gfp_mask)
{
void *element;
void **new_elements;
@@ -200,7 +200,7 @@ EXPORT_SYMBOL(mempool_destroy);
* *never* fails when called from process contexts. (it might
* fail if called from an IRQ context.)
*/
-void * mempool_alloc(mempool_t *pool, unsigned int __nocast gfp_mask)
+void * mempool_alloc(mempool_t *pool, gfp_t gfp_mask)
{
void *element;
unsigned long flags;
@@ -276,7 +276,7 @@ EXPORT_SYMBOL(mempool_free);
/*
* A commonly used alloc and free fn.
*/
-void *mempool_alloc_slab(unsigned int __nocast gfp_mask, void *pool_data)
+void *mempool_alloc_slab(gfp_t gfp_mask, void *pool_data)
{
kmem_cache_t *mem = (kmem_cache_t *) pool_data;
return kmem_cache_alloc(mem, gfp_mask);
diff --git a/mm/nommu.c b/mm/nommu.c
index 064d7044289..0ef241ae376 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -157,8 +157,7 @@ void vfree(void *addr)
kfree(addr);
}
-void *__vmalloc(unsigned long size, unsigned int __nocast gfp_mask,
- pgprot_t prot)
+void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot)
{
/*
* kmalloc doesn't like __GFP_HIGHMEM for some reason
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index ac3bf33e537..d348b903595 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -263,7 +263,7 @@ static struct mm_struct *oom_kill_process(struct task_struct *p)
* OR try to be smart about which process to kill. Note that we
* don't have to be perfect here, we just have to be good.
*/
-void out_of_memory(unsigned int __nocast gfp_mask, int order)
+void out_of_memory(gfp_t gfp_mask, int order)
{
struct mm_struct *mm = NULL;
task_t * p;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index ae2903339e7..cc1fe2672a3 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -671,7 +671,7 @@ void fastcall free_cold_page(struct page *page)
free_hot_cold_page(page, 1);
}
-static inline void prep_zero_page(struct page *page, int order, unsigned int __nocast gfp_flags)
+static inline void prep_zero_page(struct page *page, int order, gfp_t gfp_flags)
{
int i;
@@ -686,7 +686,7 @@ static inline void prep_zero_page(struct page *page, int order, unsigned int __n
* or two.
*/
static struct page *
-buffered_rmqueue(struct zone *zone, int order, unsigned int __nocast gfp_flags)
+buffered_rmqueue(struct zone *zone, int order, gfp_t gfp_flags)
{
unsigned long flags;
struct page *page = NULL;
@@ -761,7 +761,7 @@ int zone_watermark_ok(struct zone *z, int order, unsigned long mark,
}
static inline int
-should_reclaim_zone(struct zone *z, unsigned int gfp_mask)
+should_reclaim_zone(struct zone *z, gfp_t gfp_mask)
{
if (!z->reclaim_pages)
return 0;
@@ -774,7 +774,7 @@ should_reclaim_zone(struct zone *z, unsigned int gfp_mask)
* This is the 'heart' of the zoned buddy allocator.
*/
struct page * fastcall
-__alloc_pages(unsigned int __nocast gfp_mask, unsigned int order,
+__alloc_pages(gfp_t gfp_mask, unsigned int order,
struct zonelist *zonelist)
{
const int wait = gfp_mask & __GFP_WAIT;
@@ -977,7 +977,7 @@ EXPORT_SYMBOL(__alloc_pages);
/*
* Common helper functions.
*/
-fastcall unsigned long __get_free_pages(unsigned int __nocast gfp_mask, unsigned int order)
+fastcall unsigned long __get_free_pages(gfp_t gfp_mask, unsigned int order)
{
struct page * page;
page = alloc_pages(gfp_mask, order);
@@ -988,7 +988,7 @@ fastcall unsigned long __get_free_pages(unsigned int __nocast gfp_mask, unsigned
EXPORT_SYMBOL(__get_free_pages);
-fastcall unsigned long get_zeroed_page(unsigned int __nocast gfp_mask)
+fastcall unsigned long get_zeroed_page(gfp_t gfp_mask)
{
struct page * page;
diff --git a/mm/page_io.c b/mm/page_io.c
index 2e605a19ce5..330e00d6db0 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -19,7 +19,7 @@
#include <linux/writeback.h>
#include <asm/pgtable.h>
-static struct bio *get_swap_bio(unsigned int __nocast gfp_flags, pgoff_t index,
+static struct bio *get_swap_bio(gfp_t gfp_flags, pgoff_t index,
struct page *page, bio_end_io_t end_io)
{
struct bio *bio;
diff --git a/mm/shmem.c b/mm/shmem.c
index 1f7aeb210c7..ea064d89cda 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -921,8 +921,7 @@ shmem_swapin(struct shmem_inode_info *info,swp_entry_t entry,unsigned long idx)
}
static inline struct page *
-shmem_alloc_page(unsigned int __nocast gfp,struct shmem_inode_info *info,
- unsigned long idx)
+shmem_alloc_page(gfp_t gfp,struct shmem_inode_info *info, unsigned long idx)
{
return alloc_page(gfp | __GFP_ZERO);
}
diff --git a/mm/slab.c b/mm/slab.c
index 5cbbdfa6dd0..d05c678bceb 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -650,8 +650,7 @@ static inline struct array_cache *ac_data(kmem_cache_t *cachep)
return cachep->array[smp_processor_id()];
}
-static inline kmem_cache_t *__find_general_cachep(size_t size,
- unsigned int __nocast gfpflags)
+static inline kmem_cache_t *__find_general_cachep(size_t size, gfp_t gfpflags)
{
struct cache_sizes *csizep = malloc_sizes;
@@ -675,8 +674,7 @@ static inline kmem_cache_t *__find_general_cachep(size_t size,
return csizep->cs_cachep;
}
-kmem_cache_t *kmem_find_general_cachep(size_t size,
- unsigned int __nocast gfpflags)
+kmem_cache_t *kmem_find_general_cachep(size_t size, gfp_t gfpflags)
{
return __find_general_cachep(size, gfpflags);
}
@@ -1185,7 +1183,7 @@ __initcall(cpucache_init);
* did not request dmaable memory, we might get it, but that
* would be relatively rare and ignorable.
*/
-static void *kmem_getpages(kmem_cache_t *cachep, unsigned int __nocast flags, int nodeid)
+static void *kmem_getpages(kmem_cache_t *cachep, gfp_t flags, int nodeid)
{
struct page *page;
void *addr;
@@ -2048,7 +2046,7 @@ EXPORT_SYMBOL(kmem_cache_destroy);
/* Get the memory for a slab management obj. */
static struct slab* alloc_slabmgmt(kmem_cache_t *cachep, void *objp,
- int colour_off, unsigned int __nocast local_flags)
+ int colour_off, gfp_t local_flags)
{
struct slab *slabp;
@@ -2149,7 +2147,7 @@ static void set_slab_attr(kmem_cache_t *cachep, struct slab *slabp, void *objp)
* Grow (by 1) the number of slabs within a cache. This is called by
* kmem_cache_alloc() when there are no active objs left in a cache.
*/
-static int cache_grow(kmem_cache_t *cachep, unsigned int __nocast flags, int nodeid)
+static int cache_grow(kmem_cache_t *cachep, gfp_t flags, int nodeid)
{
struct slab *slabp;
void *objp;
@@ -2356,7 +2354,7 @@ bad:
#define check_slabp(x,y) do { } while(0)
#endif
-static void *cache_alloc_refill(kmem_cache_t *cachep, unsigned int __nocast flags)
+static void *cache_alloc_refill(kmem_cache_t *cachep, gfp_t flags)
{
int batchcount;
struct kmem_list3 *l3;
@@ -2456,7 +2454,7 @@ alloc_done:
}
static inline void
-cache_alloc_debugcheck_before(kmem_cache_t *cachep, unsigned int __nocast flags)
+cache_alloc_debugcheck_before(kmem_cache_t *cachep, gfp_t flags)
{
might_sleep_if(flags & __GFP_WAIT);
#if DEBUG
@@ -2467,7 +2465,7 @@ cache_alloc_debugcheck_before(kmem_cache_t *cachep, unsigned int __nocast flags)
#if DEBUG
static void *
cache_alloc_debugcheck_after(kmem_cache_t *cachep,
- unsigned int __nocast flags, void *objp, void *caller)
+ gfp_t flags, void *objp, void *caller)
{
if (!objp)
return objp;
@@ -2510,7 +2508,7 @@ cache_alloc_debugcheck_after(kmem_cache_t *cachep,
#define cache_alloc_debugcheck_after(a,b,objp,d) (objp)
#endif
-static inline void *____cache_alloc(kmem_cache_t *cachep, unsigned int __nocast flags)
+static inline void *____cache_alloc(kmem_cache_t *cachep, gfp_t flags)
{
void* objp;
struct array_cache *ac;
@@ -2528,7 +2526,7 @@ static inline void *____cache_alloc(kmem_cache_t *cachep, unsigned int __nocast
return objp;
}
-static inline void *__cache_alloc(kmem_cache_t *cachep, unsigned int __nocast flags)
+static inline void *__cache_alloc(kmem_cache_t *cachep, gfp_t flags)
{
unsigned long save_flags;
void* objp;
@@ -2787,7 +2785,7 @@ static inline void __cache_free(kmem_cache_t *cachep, void *objp)
* Allocate an object from this cache. The flags are only relevant
* if the cache has no available objects.
*/
-void *kmem_cache_alloc(kmem_cache_t *cachep, unsigned int __nocast flags)
+void *kmem_cache_alloc(kmem_cache_t *cachep, gfp_t flags)
{
return __cache_alloc(cachep, flags);
}
@@ -2848,7 +2846,7 @@ out:
* New and improved: it will now make sure that the object gets
* put on the correct node list so that there is no false sharing.
*/
-void *kmem_cache_alloc_node(kmem_cache_t *cachep, unsigned int __nocast flags, int nodeid)
+void *kmem_cache_alloc_node(kmem_cache_t *cachep, gfp_t flags, int nodeid)
{
unsigned long save_flags;
void *ptr;
@@ -2875,7 +2873,7 @@ void *kmem_cache_alloc_node(kmem_cache_t *cachep, unsigned int __nocast flags, i
}
EXPORT_SYMBOL(kmem_cache_alloc_node);
-void *kmalloc_node(size_t size, unsigned int __nocast flags, int node)
+void *kmalloc_node(size_t size, gfp_t flags, int node)
{
kmem_cache_t *cachep;
@@ -2908,7 +2906,7 @@ EXPORT_SYMBOL(kmalloc_node);
* platforms. For example, on i386, it means that the memory must come
* from the first 16MB.
*/
-void *__kmalloc(size_t size, unsigned int __nocast flags)
+void *__kmalloc(size_t size, gfp_t flags)
{
kmem_cache_t *cachep;
@@ -2997,7 +2995,7 @@ EXPORT_SYMBOL(kmem_cache_free);
* @size: how many bytes of memory are required.
* @flags: the type of memory to allocate.
*/
-void *kzalloc(size_t size, unsigned int __nocast flags)
+void *kzalloc(size_t size, gfp_t flags)
{
void *ret = kmalloc(size, flags);
if (ret)
@@ -3603,7 +3601,7 @@ unsigned int ksize(const void *objp)
* @s: the string to duplicate
* @gfp: the GFP mask used in the kmalloc() call when allocating memory
*/
-char *kstrdup(const char *s, unsigned int __nocast gfp)
+char *kstrdup(const char *s, gfp_t gfp)
{
size_t len;
char *buf;
diff --git a/mm/swap_state.c b/mm/swap_state.c
index adbc2b426c2..132164f7d0a 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -68,7 +68,7 @@ void show_swap_cache_info(void)
* but sets SwapCache flag and private instead of mapping and index.
*/
static int __add_to_swap_cache(struct page *page, swp_entry_t entry,
- unsigned int __nocast gfp_mask)
+ gfp_t gfp_mask)
{
int error;
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 13c3d82968a..1150229b636 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -395,7 +395,7 @@ void *vmap(struct page **pages, unsigned int count,
EXPORT_SYMBOL(vmap);
-void *__vmalloc_area(struct vm_struct *area, unsigned int __nocast gfp_mask, pgprot_t prot)
+void *__vmalloc_area(struct vm_struct *area, gfp_t gfp_mask, pgprot_t prot)
{
struct page **pages;
unsigned int nr_pages, array_size, i;
@@ -446,7 +446,7 @@ fail:
* allocator with @gfp_mask flags. Map them into contiguous
* kernel virtual space, using a pagetable protection of @prot.
*/
-void *__vmalloc(unsigned long size, unsigned int __nocast gfp_mask, pgprot_t prot)
+void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot)
{
struct vm_struct *area;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 13:13:50 +0000