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authorGravatar Linus Torvalds <torvalds@linux-foundation.org> 2021-11-09 10:11:53 -0800
committerGravatar Linus Torvalds <torvalds@linux-foundation.org> 2021-11-09 10:11:53 -0800
commit59a2ceeef6d6bb8f68550fdbd84246b74a99f06b (patch)
treed8302a240dfe56defb8d56df555bb046a5a7bb5c /arch/x86/mm/init_32.c
parentMerge tag 'backlight-next-5.16' of git://git.kernel.org/pub/scm/linux/kernel/... (diff)
parentipc/ipc_sysctl.c: remove fallback for !CONFIG_PROC_SYSCTL (diff)
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Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: "87 patches. Subsystems affected by this patch series: mm (pagecache and hugetlb), procfs, misc, MAINTAINERS, lib, checkpatch, binfmt, kallsyms, ramfs, init, codafs, nilfs2, hfs, crash_dump, signals, seq_file, fork, sysvfs, kcov, gdb, resource, selftests, and ipc" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (87 commits) ipc/ipc_sysctl.c: remove fallback for !CONFIG_PROC_SYSCTL ipc: check checkpoint_restore_ns_capable() to modify C/R proc files selftests/kselftest/runner/run_one(): allow running non-executable files virtio-mem: disallow mapping virtio-mem memory via /dev/mem kernel/resource: disallow access to exclusive system RAM regions kernel/resource: clean up and optimize iomem_is_exclusive() scripts/gdb: handle split debug for vmlinux kcov: replace local_irq_save() with a local_lock_t kcov: avoid enable+disable interrupts if !in_task() kcov: allocate per-CPU memory on the relevant node Documentation/kcov: define `ip' in the example Documentation/kcov: include types.h in the example sysv: use BUILD_BUG_ON instead of runtime check kernel/fork.c: unshare(): use swap() to make code cleaner seq_file: fix passing wrong private data seq_file: move seq_escape() to a header signal: remove duplicate include in signal.h crash_dump: remove duplicate include in crash_dump.h crash_dump: fix boolreturn.cocci warning hfs/hfsplus: use WARN_ON for sanity check ...
Diffstat (limited to 'arch/x86/mm/init_32.c')
-rw-r--r--arch/x86/mm/init_32.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 5cd7ea6d645c..d4e2648a1dfb 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -238,11 +238,7 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base)
}
}
-/*
- * The <linux/kallsyms.h> already defines is_kernel_text,
- * using '__' prefix not to get in conflict.
- */
-static inline int __is_kernel_text(unsigned long addr)
+static inline int is_x86_32_kernel_text(unsigned long addr)
{
if (addr >= (unsigned long)_text && addr <= (unsigned long)__init_end)
return 1;
@@ -333,8 +329,8 @@ repeat:
addr2 = (pfn + PTRS_PER_PTE-1) * PAGE_SIZE +
PAGE_OFFSET + PAGE_SIZE-1;
- if (__is_kernel_text(addr) ||
- __is_kernel_text(addr2))
+ if (is_x86_32_kernel_text(addr) ||
+ is_x86_32_kernel_text(addr2))
prot = PAGE_KERNEL_LARGE_EXEC;
pages_2m++;
@@ -359,7 +355,7 @@ repeat:
*/
pgprot_t init_prot = __pgprot(PTE_IDENT_ATTR);
- if (__is_kernel_text(addr))
+ if (is_x86_32_kernel_text(addr))
prot = PAGE_KERNEL_EXEC;
pages_4k++;
@@ -789,7 +785,7 @@ static void mark_nxdata_nx(void)
*/
unsigned long start = PFN_ALIGN(_etext);
/*
- * This comes from __is_kernel_text upper limit. Also HPAGE where used:
+ * This comes from is_x86_32_kernel_text upper limit. Also HPAGE where used:
*/
unsigned long size = (((unsigned long)__init_end + HPAGE_SIZE) & HPAGE_MASK) - start;