1 files changed, 0 insertions, 214 deletions
diff --git a/ANDROID_3.4.5/fs/proc/page.c b/ANDROID_3.4.5/fs/proc/page.c
deleted file mode 100644
index 7fcd0d60..00000000
--- a/ANDROID_3.4.5/fs/proc/page.c
+++ /dev/null
@@ -1,214 +0,0 @@
-#include <linux/bootmem.h>
-#include <linux/compiler.h>
-#include <linux/fs.h>
-#include <linux/init.h>
-#include <linux/ksm.h>
-#include <linux/mm.h>
-#include <linux/mmzone.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/hugetlb.h>
-#include <linux/kernel-page-flags.h>
-#include <asm/uaccess.h>
-#include "internal.h"
-
-#define KPMSIZE sizeof(u64)
-#define KPMMASK (KPMSIZE - 1)
-
-/* /proc/kpagecount - an array exposing page counts
- *
- * Each entry is a u64 representing the corresponding
- * physical page count.
- */
-static ssize_t kpagecount_read(struct file *file, char __user *buf,
-			     size_t count, loff_t *ppos)
-{
-	u64 __user *out = (u64 __user *)buf;
-	struct page *ppage;
-	unsigned long src = *ppos;
-	unsigned long pfn;
-	ssize_t ret = 0;
-	u64 pcount;
-
-	pfn = src / KPMSIZE;
-	count = min_t(size_t, count, (max_pfn * KPMSIZE) - src);
-	if (src & KPMMASK || count & KPMMASK)
-		return -EINVAL;
-
-	while (count > 0) {
-		if (pfn_valid(pfn))
-			ppage = pfn_to_page(pfn);
-		else
-			ppage = NULL;
-		if (!ppage || PageSlab(ppage))
-			pcount = 0;
-		else
-			pcount = page_mapcount(ppage);
-
-		if (put_user(pcount, out)) {
-			ret = -EFAULT;
-			break;
-		}
-
-		pfn++;
-		out++;
-		count -= KPMSIZE;
-	}
-
-	*ppos += (char __user *)out - buf;
-	if (!ret)
-		ret = (char __user *)out - buf;
-	return ret;
-}
-
-static const struct file_operations proc_kpagecount_operations = {
-	.llseek = mem_lseek,
-	.read = kpagecount_read,
-};
-
-/* /proc/kpageflags - an array exposing page flags
- *
- * Each entry is a u64 representing the corresponding
- * physical page flags.
- */
-
-static inline u64 kpf_copy_bit(u64 kflags, int ubit, int kbit)
-{
-	return ((kflags >> kbit) & 1) << ubit;
-}
-
-u64 stable_page_flags(struct page *page)
-{
-	u64 k;
-	u64 u;
-
-	/*
-	 * pseudo flag: KPF_NOPAGE
-	 * it differentiates a memory hole from a page with no flags
-	 */
-	if (!page)
-		return 1 << KPF_NOPAGE;
-
-	k = page->flags;
-	u = 0;
-
-	/*
-	 * pseudo flags for the well known (anonymous) memory mapped pages
-	 *
-	 * Note that page->_mapcount is overloaded in SLOB/SLUB/SLQB, so the
-	 * simple test in page_mapped() is not enough.
-	 */
-	if (!PageSlab(page) && page_mapped(page))
-		u |= 1 << KPF_MMAP;
-	if (PageAnon(page))
-		u |= 1 << KPF_ANON;
-	if (PageKsm(page))
-		u |= 1 << KPF_KSM;
-
-	/*
-	 * compound pages: export both head/tail info
-	 * they together define a compound page's start/end pos and order
-	 */
-	if (PageHead(page))
-		u |= 1 << KPF_COMPOUND_HEAD;
-	if (PageTail(page))
-		u |= 1 << KPF_COMPOUND_TAIL;
-	if (PageHuge(page))
-		u |= 1 << KPF_HUGE;
-	else if (PageTransCompound(page))
-		u |= 1 << KPF_THP;
-
-	/*
-	 * Caveats on high order pages: page->_count will only be set
-	 * -1 on the head page; SLUB/SLQB do the same for PG_slab;
-	 * SLOB won't set PG_slab at all on compound pages.
-	 */
-	if (PageBuddy(page))
-		u |= 1 << KPF_BUDDY;
-
-	u |= kpf_copy_bit(k, KPF_LOCKED,	PG_locked);
-
-	u |= kpf_copy_bit(k, KPF_SLAB,		PG_slab);
-
-	u |= kpf_copy_bit(k, KPF_ERROR,		PG_error);
-	u |= kpf_copy_bit(k, KPF_DIRTY,		PG_dirty);
-	u |= kpf_copy_bit(k, KPF_UPTODATE,	PG_uptodate);
-	u |= kpf_copy_bit(k, KPF_WRITEBACK,	PG_writeback);
-
-	u |= kpf_copy_bit(k, KPF_LRU,		PG_lru);
-	u |= kpf_copy_bit(k, KPF_REFERENCED,	PG_referenced);
-	u |= kpf_copy_bit(k, KPF_ACTIVE,	PG_active);
-	u |= kpf_copy_bit(k, KPF_RECLAIM,	PG_reclaim);
-
-	u |= kpf_copy_bit(k, KPF_SWAPCACHE,	PG_swapcache);
-	u |= kpf_copy_bit(k, KPF_SWAPBACKED,	PG_swapbacked);
-
-	u |= kpf_copy_bit(k, KPF_UNEVICTABLE,	PG_unevictable);
-	u |= kpf_copy_bit(k, KPF_MLOCKED,	PG_mlocked);
-
-#ifdef CONFIG_MEMORY_FAILURE
-	u |= kpf_copy_bit(k, KPF_HWPOISON,	PG_hwpoison);
-#endif
-
-#ifdef CONFIG_ARCH_USES_PG_UNCACHED
-	u |= kpf_copy_bit(k, KPF_UNCACHED,	PG_uncached);
-#endif
-
-	u |= kpf_copy_bit(k, KPF_RESERVED,	PG_reserved);
-	u |= kpf_copy_bit(k, KPF_MAPPEDTODISK,	PG_mappedtodisk);
-	u |= kpf_copy_bit(k, KPF_PRIVATE,	PG_private);
-	u |= kpf_copy_bit(k, KPF_PRIVATE_2,	PG_private_2);
-	u |= kpf_copy_bit(k, KPF_OWNER_PRIVATE,	PG_owner_priv_1);
-	u |= kpf_copy_bit(k, KPF_ARCH,		PG_arch_1);
-
-	return u;
-};
-
-static ssize_t kpageflags_read(struct file *file, char __user *buf,
-			     size_t count, loff_t *ppos)
-{
-	u64 __user *out = (u64 __user *)buf;
-	struct page *ppage;
-	unsigned long src = *ppos;
-	unsigned long pfn;
-	ssize_t ret = 0;
-
-	pfn = src / KPMSIZE;
-	count = min_t(unsigned long, count, (max_pfn * KPMSIZE) - src);
-	if (src & KPMMASK || count & KPMMASK)
-		return -EINVAL;
-
-	while (count > 0) {
-		if (pfn_valid(pfn))
-			ppage = pfn_to_page(pfn);
-		else
-			ppage = NULL;
-
-		if (put_user(stable_page_flags(ppage), out)) {
-			ret = -EFAULT;
-			break;
-		}
-
-		pfn++;
-		out++;
-		count -= KPMSIZE;
-	}
-
-	*ppos += (char __user *)out - buf;
-	if (!ret)
-		ret = (char __user *)out - buf;
-	return ret;
-}
-
-static const struct file_operations proc_kpageflags_operations = {
-	.llseek = mem_lseek,
-	.read = kpageflags_read,
-};
-
-static int __init proc_page_init(void)
-{
-	proc_create("kpagecount", S_IRUSR, NULL, &proc_kpagecount_operations);
-	proc_create("kpageflags", S_IRUSR, NULL, &proc_kpageflags_operations);
-	return 0;
-}
-module_init(proc_page_init);